56591358 has 16 divisors (see below), whose sum is σ = 113318400. Its totient is φ = 18841176.

The previous prime is 56591341. The next prime is 56591363. The reversal of 56591358 is 85319565.

It is a Curzon number.

It is a congruent number.

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, 243 + ... + 10641.

It is an arithmetic number, because the mean of its divisors is an integer number (7082400).

Almost surely, 2^56591358 is an apocalyptic number.

56591358 is an abundant number, since it is smaller than the sum of its proper divisors (56727042).

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

56591358 is a wasteful number, since it uses less digits than its factorization.

56591358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11311.

The product of its digits is 162000, while the sum is 42.

The square root of 56591358 is about 7522.7227783563. The cubic root of 56591358 is about 383.9282228039.

The spelling of 56591358 in words is "fifty-six million, five hundred ninety-one thousand, three hundred fifty-eight".