That is an idiotic question, but it is 200 pages.
Words that can be made from the letters in photographer:aahageagoapeaptareartatateeareategoeraergogapgapegarretgarrotgategathergeargetgogoatgoogoopgophergoregotgrapegraphgrategreatgropehahaghareharpharthathatehaterheaphearhearthearthheatheathhoarhoghoophoothophopehotoaroatoathogreohoperaoptorateotherpagepagerpappaperparparepartpatpatepathpeapearpeatpegpeppetphotophotographpoohpoorpopepotragragerapraperatrateratherreaprearrogerrootroperotroterotortagtaptapetaretarpteatearthetotoetogtogatootoptopographertoretraptroop
Assuming you are talking about the US edition of the book, which has 76,944 words and 309 pages, than a 50,000 word book of about the same size would be about 200 pages.
A typical Hebrew book has about 200 words per page.
200
40 words. 5 characters per word in typing to figure words per minute rate.
200
Book of Haikus has 200 pages.
200 words
Exactly 1 word lol
200
Assuming 250 words to a page (a fairly standard number), about 4000 pages.
200 is what I got