56594590609 has 2 divisors, whose sum is σ = 56594590610. Its totient is φ = 56594590608.

The previous prime is 56594590523. The next prime is 56594590627. The reversal of 56594590609 is 90609549565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56562157584 + 32433025 = 237828^2 + 5695^2 .

It is a cyclic number.

It is not a de Polignac number, because 56594590609 - 2²⁵ = 56561036177 is a prime.

It is not a weakly prime, because it can be changed into another prime (56594560609) 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, 28297295304 + 28297295305.

It is an arithmetic number, because the mean of its divisors is an integer number (28297295305).

Almost surely, 2^56594590609 is an apocalyptic number.

It is an amenable number.

56594590609 is a deficient number, since it is larger than the sum of its proper divisors (1).

56594590609 is an equidigital number, since it uses as much as digits as its factorization.

56594590609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13122000, while the sum is 58.

The spelling of 56594590609 in words is "fifty-six billion, five hundred ninety-four million, five hundred ninety thousand, six hundred nine".