Actually, he said "57 states with one or two more to go." So he thought there were at least 58 and maybe 59 states.
I don't care what Snopes says about Obama's gaffe, how do they know what his brain was thinking. Like when he said "Muslim" instead of "Christian" only to have George Steppenalloverus correct him.
He thinks like a Muzzie, because he is a Muzzie and was raised as a Muzzie.