56711573 has 2 divisors, whose sum is σ = 56711574. Its totient is φ = 56711572.

The previous prime is 56711549. The next prime is 56711587. The reversal of 56711573 is 37511765.

56711573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38031889 + 18679684 = 6167^2 + 4322^2 .

It is a cyclic number.

It is not a de Polignac number, because 56711573 - 2²⁴ = 39934357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56711513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28355786 + 28355787.

It is an arithmetic number, because the mean of its divisors is an integer number (28355787).

Almost surely, 2^56711573 is an apocalyptic number.

It is an amenable number.

56711573 is a deficient number, since it is larger than the sum of its proper divisors (1).

56711573 is an equidigital number, since it uses as much as digits as its factorization.

56711573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22050, while the sum is 35.

The square root of 56711573 is about 7530.7086651921. The cubic root of 56711573 is about 384.1998855359.

The spelling of 56711573 in words is "fifty-six million, seven hundred eleven thousand, five hundred seventy-three".