57572989 has 2 divisors, whose sum is σ = 57572990. Its totient is φ = 57572988.

The previous prime is 57572953. The next prime is 57573007. The reversal of 57572989 is 98927575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56400100 + 1172889 = 7510^2 + 1083^2 .

It is a cyclic number.

It is not a de Polignac number, because 57572989 - 2⁹ = 57572477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57572689) 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, 28786494 + 28786495.

It is an arithmetic number, because the mean of its divisors is an integer number (28786495).

Almost surely, 2^57572989 is an apocalyptic number.

It is an amenable number.

57572989 is a deficient number, since it is larger than the sum of its proper divisors (1).

57572989 is an equidigital number, since it uses as much as digits as its factorization.

57572989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1587600, while the sum is 52.

The square root of 57572989 is about 7587.6866698619. The cubic root of 57572989 is about 386.1353767327.

The spelling of 57572989 in words is "fifty-seven million, five hundred seventy-two thousand, nine hundred eighty-nine".