56597121 has 24 divisors (see below), whose sum is σ = 93862080. Its totient is φ = 32191776.

The previous prime is 56597117. The next prime is 56597141. The reversal of 56597121 is 12179565.

56597121 is a `hidden beast` number, since 56 + 597 + 12 + 1 = 666.

It is not a de Polignac number, because 56597121 - 2² = 56597117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56597141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12466 + ... + 16388.

It is an arithmetic number, because the mean of its divisors is an integer number (3910920).

Almost surely, 2^56597121 is an apocalyptic number.

It is an amenable number.

56597121 is a deficient number, since it is larger than the sum of its proper divisors (37264959).

56597121 is a wasteful number, since it uses less digits than its factorization.

56597121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165 (or 4162 counting only the distinct ones).

The product of its digits is 18900, while the sum is 36.

The square root of 56597121 is about 7523.1058081088. The cubic root of 56597121 is about 383.9412548481.

The spelling of 56597121 in words is "fifty-six million, five hundred ninety-seven thousand, one hundred twenty-one".