56256404 has 24 divisors (see below), whose sum is σ = 103088160. Its totient is φ = 26826464.

The previous prime is 56256371. The next prime is 56256407. The reversal of 56256404 is 40465265.

It is a super-2 number, since 2×56256404² = 6329565982022432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56256407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6707 + ... + 12549.

It is an arithmetic number, because the mean of its divisors is an integer number (4295340).

Almost surely, 2^56256404 is an apocalyptic number.

It is an amenable number.

56256404 is a deficient number, since it is larger than the sum of its proper divisors (46831756).

56256404 is a wasteful number, since it uses less digits than its factorization.

56256404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5959 (or 5957 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 56256404 is about 7500.4269211826. The cubic root of 56256404 is about 383.1692562246.

The spelling of 56256404 in words is "fifty-six million, two hundred fifty-six thousand, four hundred four".