57404725 has 18 divisors (see below), whose sum is σ = 82805154. Its totient is φ = 39362400.

The previous prime is 57404657. The next prime is 57404731. The reversal of 57404725 is 52740475.

It can be written as a sum of positive squares in 3 ways, for example, as 2140369 + 55264356 = 1463^2 + 7434^2 .

It is not a de Polignac number, because 57404725 - 2¹⁹ = 56880437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 22206 + ... + 24655.

Almost surely, 2^57404725 is an apocalyptic number.

It is an amenable number.

57404725 is a deficient number, since it is larger than the sum of its proper divisors (25400429).

57404725 is a wasteful number, since it uses less digits than its factorization.

57404725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46885 (or 46873 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 57404725 is about 7576.5905920803. The cubic root of 57404725 is about 385.7588339363.

The spelling of 57404725 in words is "fifty-seven million, four hundred four thousand, seven hundred twenty-five".