57371689 has 2 divisors, whose sum is σ = 57371690. Its totient is φ = 57371688.

The previous prime is 57371663. The next prime is 57371707. The reversal of 57371689 is 98617375.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57153600 + 218089 = 7560^2 + 467^2 .

It is a cyclic number.

It is not a de Polignac number, because 57371689 - 2¹⁵ = 57338921 is a prime.

It is not a weakly prime, because it can be changed into another prime (57371189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28685844 + 28685845.

It is an arithmetic number, because the mean of its divisors is an integer number (28685845).

Almost surely, 2^57371689 is an apocalyptic number.

It is an amenable number.

57371689 is a deficient number, since it is larger than the sum of its proper divisors (1).

57371689 is an equidigital number, since it uses as much as digits as its factorization.

57371689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 46.

The square root of 57371689 is about 7574.4101420507. The cubic root of 57371689 is about 385.6848192723.

The spelling of 57371689 in words is "fifty-seven million, three hundred seventy-one thousand, six hundred eighty-nine".