56331319394768 has 80 divisors (see below), whose sum is σ = 119118658167936. Its totient is φ = 25593378078720.

The previous prime is 56331319394743. The next prime is 56331319394773. The reversal of 56331319394768 is 86749391313365.

It is a junction number, because it is equal to n+sod(n) for n = 56331319394698 and 56331319394707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5399335280 + ... + 5399345712.

Almost surely, 2^{56331319394768} is an apocalyptic number.

It is an amenable number.

56331319394768 is an abundant number, since it is smaller than the sum of its proper divisors (62787338773168).

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

56331319394768 is a wasteful number, since it uses less digits than its factorization.

56331319394768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21612 (or 21606 counting only the distinct ones).

The product of its digits is 264539520, while the sum is 68.

The spelling of 56331319394768 in words is "fifty-six trillion, three hundred thirty-one billion, three hundred nineteen million, three hundred ninety-four thousand, seven hundred sixty-eight".