56402436 has 12 divisors (see below), whose sum is σ = 131605712. Its totient is φ = 18800808.

The previous prime is 56402399. The next prime is 56402459. The reversal of 56402436 is 63420465.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2350090 + ... + 2350113.

Almost surely, 2^56402436 is an apocalyptic number.

It is an amenable number.

56402436 is an abundant number, since it is smaller than the sum of its proper divisors (75203276).

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

56402436 is a wasteful number, since it uses less digits than its factorization.

56402436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4700210 (or 4700208 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 56402436 is about 7510.1555243550. The cubic root of 56402436 is about 383.5005170354.

The spelling of 56402436 in words is "fifty-six million, four hundred two thousand, four hundred thirty-six".