91965056 has 32 divisors (see below), whose sum is σ = 183746880. Its totient is φ = 45848320.

The previous prime is 91965031. The next prime is 91965059. The reversal of 91965056 is 65056919.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×91965056³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (91965059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54335 + ... + 56001.

It is an arithmetic number, because the mean of its divisors is an integer number (5742090).

Almost surely, 2^91965056 is an apocalyptic number.

It is an amenable number.

91965056 is a deficient number, since it is larger than the sum of its proper divisors (91781824).

91965056 is a wasteful number, since it uses less digits than its factorization.

91965056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112 (or 2100 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 91965056 is about 9589.8412917003. The cubic root of 91965056 is about 451.3785806188.

The spelling of 91965056 in words is "ninety-one million, nine hundred sixty-five thousand, fifty-six".