56572727593 has 2 divisors, whose sum is σ = 56572727594. Its totient is φ = 56572727592.

The previous prime is 56572727531. The next prime is 56572727609. The reversal of 56572727593 is 39572727565.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47385888489 + 9186839104 = 217683^2 + 95848^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56572727593 is a prime.

It is not a weakly prime, because it can be changed into another prime (56572727513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28286363796 + 28286363797.

It is an arithmetic number, because the mean of its divisors is an integer number (28286363797).

Almost surely, 2^56572727593 is an apocalyptic number.

It is an amenable number.

56572727593 is a deficient number, since it is larger than the sum of its proper divisors (1).

56572727593 is an equidigital number, since it uses as much as digits as its factorization.

56572727593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27783000, while the sum is 58.

The spelling of 56572727593 in words is "fifty-six billion, five hundred seventy-two million, seven hundred twenty-seven thousand, five hundred ninety-three".