Hello,
@chriswiggy
I sent your question to Panini in Argentina and they replied that there are 557 stickers, the same number as the collection launched in other countries. In several places there is this wrong information about the amount of stickers. The correct number is 557. I also entered the Panini Argentina app and the checklist marks 577 stickers.
To make it clearer, there are 544 stickers numbered from 1-544 (Badge, Players and Jersey), and 13 stickers numbered CL1-CL13 (these are the stickers from the beginning of the album - logo, cup, stickers from the last champion (Gabigol is a double sticker, Pedro), Maracanã, Rio de Janeiro (places that will ocurred the finals) and the stickers from the end of the album that are a tribute to Pelé).

The last page with numbered sticker.

The last page with the stickers of Pele.
From what I could research and thinking about the back of the album, there are the versions:
Peru: version with the flag of Ecuador and Peru and, it seems to me, released in the rest of South and Central America. There are references to Bolivia, Colombia, Ecuador, Mexico, Paraguay, Peru, Uruguay e Venezuela. In the album shows "Printed in Brazil".
The album has cover art in Spanish. And the packets are the same as in Brazil and Chile.
The box (with 50 packets) contains this information:
Chile: on the back is printed "Printed in Chile".
The album cover is in Spanish.
The packets are the same color as in Peru and Brazil.
Brazil: the cover is written in Portuguese, the packets are the same as in Chile and Peru, and there are some variations of the album.

The "normal" hardcover album.

Another version of the hardcover album.

Variation: a box to keep the album.

The packets (that we call "envelope"). In our market we don't have the box, but we have the 20 packets wrapd in plastic. It's our way to buy a lot of packets at once.
Argentina: the cover is written in Spanish and the packets have another color.
If I find better pictures, I will post.