56744975 has 24 divisors (see below), whose sum is σ = 81566208. Its totient is φ = 38354400.

The previous prime is 56744953. The next prime is 56744983. The reversal of 56744975 is 57944765.

It is not a de Polignac number, because 56744975 - 2⁸ = 56744719 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10142 + ... + 14708.

It is an arithmetic number, because the mean of its divisors is an integer number (3398592).

Almost surely, 2^56744975 is an apocalyptic number.

56744975 is a deficient number, since it is larger than the sum of its proper divisors (24821233).

56744975 is a wasteful number, since it uses less digits than its factorization.

56744975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4655 (or 4650 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 47.

The square root of 56744975 is about 7532.9260583123. The cubic root of 56744975 is about 384.2752994550.

The spelling of 56744975 in words is "fifty-six million, seven hundred forty-four thousand, nine hundred seventy-five".