91339555232 has 48 divisors (see below), whose sum is σ = 184093410312. Its totient is φ = 44598067200.

The previous prime is 91339555217. The next prime is 91339555243. The reversal of 91339555232 is 23255593319.

It can be written as a sum of positive squares in 4 ways, for example, as 80449380496 + 10890174736 = 283636^2 + 104356^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42368 + ... + 429504.

Almost surely, 2^91339555232 is an apocalyptic number.

It is an amenable number.

91339555232 is an abundant number, since it is smaller than the sum of its proper divisors (92753855080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91339555232 is a wasteful number, since it uses less digits than its factorization.

91339555232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387321 (or 387313 counting only the distinct ones).

The product of its digits is 1093500, while the sum is 47.

The spelling of 91339555232 in words is "ninety-one billion, three hundred thirty-nine million, five hundred fifty-five thousand, two hundred thirty-two".