56402256 has 80 divisors (see below), whose sum is σ = 155418624. Its totient is φ = 17584512.

The previous prime is 56402251. The next prime is 56402257. The reversal of 56402256 is 65220465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56402251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51345 + ... + 52431.

Almost surely, 2^56402256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56402256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77709312).

56402256 is an abundant number, since it is smaller than the sum of its proper divisors (99016368).

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

56402256 is a wasteful number, since it uses less digits than its factorization.

56402256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168 (or 1162 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 56402256 is about 7510.1435405723. The cubic root of 56402256 is about 383.5001090733.

The spelling of 56402256 in words is "fifty-six million, four hundred two thousand, two hundred fifty-six".