91955256 has 32 divisors (see below), whose sum is σ = 230202000. Its totient is φ = 30609920.

The previous prime is 91955233. The next prime is 91955257. The reversal of 91955256 is 65255919.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91955257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18970 + ... + 23318.

Almost surely, 2^91955256 is an apocalyptic number.

It is an amenable number.

91955256 is an abundant number, since it is smaller than the sum of its proper divisors (138246744).

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

91955256 is a wasteful number, since it uses less digits than its factorization.

91955256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5239 (or 5235 counting only the distinct ones).

The product of its digits is 121500, while the sum is 42.

The square root of 91955256 is about 9589.3303207263. The cubic root of 91955256 is about 451.3625467489.

The spelling of 91955256 in words is "ninety-one million, nine hundred fifty-five thousand, two hundred fifty-six".