56320617423931 has 4 divisors (see below), whose sum is σ = 64366419913072. Its totient is φ = 48274814934792.

The previous prime is 56320617423817. The next prime is 56320617423977. The reversal of 56320617423931 is 13932471602365.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 56320617423931 - 2⁹ = 56320617423419 is a prime.

It is a super-2 number, since 2×56320617423931² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56320617423731) 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, 4022901244560 + ... + 4022901244573.

It is an arithmetic number, because the mean of its divisors is an integer number (16091604978268).

Almost surely, 2^{56320617423931} is an apocalyptic number.

56320617423931 is a deficient number, since it is larger than the sum of its proper divisors (8045802489141).

56320617423931 is an equidigital number, since it uses as much as digits as its factorization.

56320617423931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8045802489140.

The product of its (nonzero) digits is 4898880, while the sum is 52.

The spelling of 56320617423931 in words is "fifty-six trillion, three hundred twenty billion, six hundred seventeen million, four hundred twenty-three thousand, nine hundred thirty-one".