56402464 has 24 divisors (see below), whose sum is σ = 117575388. Its totient is φ = 26542080.

The previous prime is 56402459. The next prime is 56402473. The reversal of 56402464 is 46420465.

It can be written as a sum of positive squares in 2 ways, for example, as 56370064 + 32400 = 7508^2 + 180^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51297 + ... + 52384.

Almost surely, 2^56402464 is an apocalyptic number.

It is an amenable number.

56402464 is an abundant number, since it is smaller than the sum of its proper divisors (61172924).

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

56402464 is a wasteful number, since it uses less digits than its factorization.

56402464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103708 (or 103700 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 56402464 is about 7510.1573884973. The cubic root of 56402464 is about 383.5005804961.

The spelling of 56402464 in words is "fifty-six million, four hundred two thousand, four hundred sixty-four".