56456023040531 has 2 divisors, whose sum is σ = 56456023040532. Its totient is φ = 56456023040530.

The previous prime is 56456023040513. The next prime is 56456023040579. The reversal of 56456023040531 is 13504032065465.

Together with previous prime (56456023040513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56456023040531 is a prime.

It is a super-2 number, since 2×56456023040531² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56456023046531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28228011520265 + 28228011520266.

It is an arithmetic number, because the mean of its divisors is an integer number (28228011520266).

Almost surely, 2^{56456023040531} is an apocalyptic number.

56456023040531 is a deficient number, since it is larger than the sum of its proper divisors (1).

56456023040531 is an equidigital number, since it uses as much as digits as its factorization.

56456023040531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296000, while the sum is 44.

The spelling of 56456023040531 in words is "fifty-six trillion, four hundred fifty-six billion, twenty-three million, forty thousand, five hundred thirty-one".