57187125 has 24 divisors (see below), whose sum is σ = 103091352. Its totient is φ = 30499200.

The previous prime is 57187121. The next prime is 57187139. The reversal of 57187125 is 52178175.

57187125 is a `hidden beast` number, since 571 + 87 + 1 + 2 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2634129 + 54552996 = 1623^2 + 7386^2 .

It is not a de Polignac number, because 57187125 - 2² = 57187121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57187125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57187121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24292 + ... + 26541.

It is an arithmetic number, because the mean of its divisors is an integer number (4295473).

Almost surely, 2^57187125 is an apocalyptic number.

It is an amenable number.

57187125 is a deficient number, since it is larger than the sum of its proper divisors (45904227).

57187125 is a wasteful number, since it uses less digits than its factorization.

57187125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50854 (or 50841 counting only the distinct ones).

The product of its digits is 19600, while the sum is 36.

The square root of 57187125 is about 7562.2169368513. The cubic root of 57187125 is about 385.2707939163.

The spelling of 57187125 in words is "fifty-seven million, one hundred eighty-seven thousand, one hundred twenty-five".