56597138 has 16 divisors (see below), whose sum is σ = 93657816. Its totient is φ = 25484160.

The previous prime is 56597117. The next prime is 56597141. The reversal of 56597138 is 83179565.

It can be written as a sum of positive squares in 4 ways, for example, as 31326409 + 25270729 = 5597^2 + 5027^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25481 + ... + 27612.

Almost surely, 2^56597138 is an apocalyptic number.

56597138 is a deficient number, since it is larger than the sum of its proper divisors (37060678).

56597138 is a wasteful number, since it uses less digits than its factorization.

56597138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53149.

The product of its digits is 226800, while the sum is 44.

The square root of 56597138 is about 7523.1069379612. The cubic root of 56597138 is about 383.9412932894.

The spelling of 56597138 in words is "fifty-six million, five hundred ninety-seven thousand, one hundred thirty-eight".