56734927531 has 2 divisors, whose sum is σ = 56734927532. Its totient is φ = 56734927530.

The previous prime is 56734927433. The next prime is 56734927537. The reversal of 56734927531 is 13572943765.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56734927531 - 2⁹ = 56734927019 is a prime.

It is a super-2 number, since 2×56734927531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56734927537) by changing a digit.

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 as a sum of consecutive naturals, namely, 28367463765 + 28367463766.

It is an arithmetic number, because the mean of its divisors is an integer number (28367463766).

Almost surely, 2^56734927531 is an apocalyptic number.

56734927531 is a deficient number, since it is larger than the sum of its proper divisors (1).

56734927531 is an equidigital number, since it uses as much as digits as its factorization.

56734927531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4762800, while the sum is 52.

The spelling of 56734927531 in words is "fifty-six billion, seven hundred thirty-four million, nine hundred twenty-seven thousand, five hundred thirty-one".