56344876631 has 4 divisors (see below), whose sum is σ = 57299874600. Its totient is φ = 55389878664.

The previous prime is 56344876607. The next prime is 56344876633. The reversal of 56344876631 is 13667844365.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56344876631 is a prime.

It is a super-2 number, since 2×56344876631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56344876633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477498896 + ... + 477499013.

It is an arithmetic number, because the mean of its divisors is an integer number (14324968650).

Almost surely, 2^56344876631 is an apocalyptic number.

56344876631 is a deficient number, since it is larger than the sum of its proper divisors (954997969).

56344876631 is an equidigital number, since it uses as much as digits as its factorization.

56344876631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954997968.

The product of its digits is 8709120, while the sum is 53.

The spelling of 56344876631 in words is "fifty-six billion, three hundred forty-four million, eight hundred seventy-six thousand, six hundred thirty-one".