56408862793 has 2 divisors, whose sum is σ = 56408862794. Its totient is φ = 56408862792.

The previous prime is 56408862787. The next prime is 56408862833. The reversal of 56408862793 is 39726880465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56004169104 + 404693689 = 236652^2 + 20117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56408862793 is a prime.

It is not a weakly prime, because it can be changed into another prime (56408862733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28204431396 + 28204431397.

It is an arithmetic number, because the mean of its divisors is an integer number (28204431397).

Almost surely, 2^56408862793 is an apocalyptic number.

It is an amenable number.

56408862793 is a deficient number, since it is larger than the sum of its proper divisors (1).

56408862793 is an equidigital number, since it uses as much as digits as its factorization.

56408862793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 56408862793 in words is "fifty-six billion, four hundred eight million, eight hundred sixty-two thousand, seven hundred ninety-three".