91355486532 has 48 divisors (see below), whose sum is σ = 218394124032. Its totient is φ = 29708640000.

The previous prime is 91355486473. The next prime is 91355486561. The reversal of 91355486532 is 23568455319.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82219 + ... + 435282.

It is an arithmetic number, because the mean of its divisors is an integer number (4549877584).

Almost surely, 2^91355486532 is an apocalyptic number.

It is an amenable number.

91355486532 is an abundant number, since it is smaller than the sum of its proper divisors (127038637500).

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

91355486532 is a wasteful number, since it uses less digits than its factorization.

91355486532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517868 (or 517866 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 51.

The spelling of 91355486532 in words is "ninety-one billion, three hundred fifty-five million, four hundred eighty-six thousand, five hundred thirty-two".