56960504891 has 2 divisors, whose sum is σ = 56960504892. Its totient is φ = 56960504890.

The previous prime is 56960504857. The next prime is 56960504911. The reversal of 56960504891 is 19840506965.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56960504891 is a prime.

It is not a weakly prime, because it can be changed into another prime (56960504191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28480252445 + 28480252446.

It is an arithmetic number, because the mean of its divisors is an integer number (28480252446).

Almost surely, 2^56960504891 is an apocalyptic number.

56960504891 is a deficient number, since it is larger than the sum of its proper divisors (1).

56960504891 is an equidigital number, since it uses as much as digits as its factorization.

56960504891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The spelling of 56960504891 in words is "fifty-six billion, nine hundred sixty million, five hundred four thousand, eight hundred ninety-one".