91032556252 has 12 divisors (see below), whose sum is σ = 173789425656. Its totient is φ = 41378434640.

The previous prime is 91032556247. The next prime is 91032556273. The reversal of 91032556252 is 25265523019.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034460823 + ... + 1034460910.

It is an arithmetic number, because the mean of its divisors is an integer number (14482452138).

Almost surely, 2^91032556252 is an apocalyptic number.

It is an amenable number.

91032556252 is a deficient number, since it is larger than the sum of its proper divisors (82756869404).

91032556252 is a wasteful number, since it uses less digits than its factorization.

91032556252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068921748 (or 2068921746 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 91032556252 in words is "ninety-one billion, thirty-two million, five hundred fifty-six thousand, two hundred fifty-two".