56402885 has 32 divisors (see below), whose sum is σ = 86372352. Its totient is φ = 34332480.

The previous prime is 56402869. The next prime is 56402891. The reversal of 56402885 is 58820465.

It is not a de Polignac number, because 56402885 - 2⁴ = 56402869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14852 + ... + 18258.

It is an arithmetic number, because the mean of its divisors is an integer number (2699136).

Almost surely, 2^56402885 is an apocalyptic number.

56402885 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56402885 is a deficient number, since it is larger than the sum of its proper divisors (29969467).

56402885 is a wasteful number, since it uses less digits than its factorization.

56402885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3473.

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 56402885 is about 7510.1854171518. The cubic root of 56402885 is about 383.5015346704.

The spelling of 56402885 in words is "fifty-six million, four hundred two thousand, eight hundred eighty-five".