57290337 has 24 divisors (see below), whose sum is σ = 89444264. Its totient is φ = 35126784.

The previous prime is 57290329. The next prime is 57290411. The reversal of 57290337 is 73309275.

It is a happy number.

57290337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8346321 + 48944016 = 2889^2 + 6996^2 .

It is not a de Polignac number, because 57290337 - 2³ = 57290329 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57290137) 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 in 23 ways as a sum of consecutive naturals, for example, 38703 + ... + 40155.

Almost surely, 2^57290337 is an apocalyptic number.

It is an amenable number.

57290337 is a deficient number, since it is larger than the sum of its proper divisors (32153927).

57290337 is a wasteful number, since it uses less digits than its factorization.

57290337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809 (or 1806 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 36.

The square root of 57290337 is about 7569.0380498449. The cubic root of 57290337 is about 385.5024350455.

It can be divided in two parts, 572 and 90337, that added together give a palindrome (90909).

The spelling of 57290337 in words is "fifty-seven million, two hundred ninety thousand, three hundred thirty-seven".