56814475231 has 2 divisors, whose sum is σ = 56814475232. Its totient is φ = 56814475230.

The previous prime is 56814475219. The next prime is 56814475309. The reversal of 56814475231 is 13257441865.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56814475231 - 2⁵ = 56814475199 is a prime.

It is a super-2 number, since 2×56814475231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56814475631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28407237615 + 28407237616.

It is an arithmetic number, because the mean of its divisors is an integer number (28407237616).

Almost surely, 2^56814475231 is an apocalyptic number.

56814475231 is a deficient number, since it is larger than the sum of its proper divisors (1).

56814475231 is an equidigital number, since it uses as much as digits as its factorization.

56814475231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 46.

The spelling of 56814475231 in words is "fifty-six billion, eight hundred fourteen million, four hundred seventy-five thousand, two hundred thirty-one".