56402570 has 32 divisors (see below), whose sum is σ = 116640000. Its totient is φ = 19236096.

The previous prime is 56402569. The next prime is 56402581. The reversal of 56402570 is 7520465.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11906 + ... + 15954.

It is an arithmetic number, because the mean of its divisors is an integer number (3645000).

Almost surely, 2^56402570 is an apocalyptic number.

56402570 is an abundant number, since it is smaller than the sum of its proper divisors (60237430).

56402570 is a wasteful number, since it uses less digits than its factorization.

56402570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4262.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 56402570 is about 7510.1644456030. The cubic root of 56402570 is about 383.5008207400.

The spelling of 56402570 in words is "fifty-six million, four hundred two thousand, five hundred seventy".