57425985 has 12 divisors (see below), whose sum is σ = 99538452. Its totient is φ = 30627168.

The previous prime is 57425959. The next prime is 57425987. The reversal of 57425985 is 58952475.

57425985 is a `hidden beast` number, since 57 + 4 + 2 + 598 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14379264 + 43046721 = 3792^2 + 6561^2 .

It is not a de Polignac number, because 57425985 - 2⁸ = 57425729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1276133 = 57425985 / (5 + 7 + 4 + 2 + 5 + 9 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 57425985.

It is not an unprimeable number, because it can be changed into a prime (57425987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 638022 + ... + 638111.

It is an arithmetic number, because the mean of its divisors is an integer number (8294871).

Almost surely, 2^57425985 is an apocalyptic number.

It is an amenable number.

57425985 is a deficient number, since it is larger than the sum of its proper divisors (42112467).

57425985 is a wasteful number, since it uses less digits than its factorization.

57425985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276144 (or 1276141 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 57425985 is about 7577.9934679307. The cubic root of 57425985 is about 385.8064503451.

The spelling of 57425985 in words is "fifty-seven million, four hundred twenty-five thousand, nine hundred eighty-five".