56402321232 has 20 divisors (see below), whose sum is σ = 145705996640. Its totient is φ = 18800773728.

The previous prime is 56402321221. The next prime is 56402321249. The reversal of 56402321232 is 23212320465.

56402321232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 56402321232.

It is a congruent number.

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, 587524132 + ... + 587524227.

It is an arithmetic number, because the mean of its divisors is an integer number (7285299832).

Almost surely, 2^56402321232 is an apocalyptic number.

It is an amenable number.

56402321232 is an abundant number, since it is smaller than the sum of its proper divisors (89303675408).

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

56402321232 is a wasteful number, since it uses less digits than its factorization.

56402321232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175048370 (or 1175048364 counting only the distinct ones).

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

Adding to 56402321232 its reverse (23212320465), we get a palindrome (79614641697).

The spelling of 56402321232 in words is "fifty-six billion, four hundred two million, three hundred twenty-one thousand, two hundred thirty-two".