56831475 has 12 divisors (see below), whose sum is σ = 93961496. Its totient is φ = 30310080.

The previous prime is 56831473. The next prime is 56831483. The reversal of 56831475 is 57413865.

It is not a de Polignac number, because 56831475 - 2¹ = 56831473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56831471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 378802 + ... + 378951.

Almost surely, 2^56831475 is an apocalyptic number.

56831475 is a deficient number, since it is larger than the sum of its proper divisors (37130021).

56831475 is a wasteful number, since it uses less digits than its factorization.

56831475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757766 (or 757761 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 56831475 is about 7538.6653328026. The cubic root of 56831475 is about 384.4704588080.

The spelling of 56831475 in words is "fifty-six million, eight hundred thirty-one thousand, four hundred seventy-five".