57156525 has 36 divisors (see below), whose sum is σ = 104327028. Its totient is φ = 29902080.

The previous prime is 57156521. The next prime is 57156553. The reversal of 57156525 is 52565175.

It is a happy number.

57156525 is a `hidden beast` number, since 5 + 71 + 565 + 25 = 666.

57156525 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 6 ways, for example, as 1758276 + 55398249 = 1326^2 + 7443^2 .

It is not a de Polignac number, because 57156525 - 2² = 57156521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57156525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57156521) 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 35 ways as a sum of consecutive naturals, for example, 9529 + ... + 14321.

It is an arithmetic number, because the mean of its divisors is an integer number (2897973).

Almost surely, 2^57156525 is an apocalyptic number.

It is an amenable number.

57156525 is a deficient number, since it is larger than the sum of its proper divisors (47170503).

57156525 is a wasteful number, since it uses less digits than its factorization.

57156525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4862 (or 4854 counting only the distinct ones).

The product of its digits is 52500, while the sum is 36.

The square root of 57156525 is about 7560.1934499059. The cubic root of 57156525 is about 385.2020640541.

The spelling of 57156525 in words is "fifty-seven million, one hundred fifty-six thousand, five hundred twenty-five".