57531937 has 4 divisors (see below), whose sum is σ = 57577860. Its totient is φ = 57486016.

The previous prime is 57531913. The next prime is 57531941. The reversal of 57531937 is 73913575.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48776256 + 8755681 = 6984^2 + 2959^2 .

It is a cyclic number.

It is not a de Polignac number, because 57531937 - 2¹¹ = 57529889 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57531937.

It is not an unprimeable number, because it can be changed into a prime (57531907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21028 + ... + 23605.

It is an arithmetic number, because the mean of its divisors is an integer number (14394465).

Almost surely, 2^57531937 is an apocalyptic number.

It is an amenable number.

57531937 is a deficient number, since it is larger than the sum of its proper divisors (45923).

57531937 is a wasteful number, since it uses less digits than its factorization.

57531937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45922.

The product of its digits is 99225, while the sum is 40.

The square root of 57531937 is about 7584.9810151377. The cubic root of 57531937 is about 386.0435779055.

The spelling of 57531937 in words is "fifty-seven million, five hundred thirty-one thousand, nine hundred thirty-seven".