57257352 has 48 divisors (see below), whose sum is σ = 159270540. Its totient is φ = 18569088.

The previous prime is 57257323. The next prime is 57257363. The reversal of 57257352 is 25375275.

It is a happy number.

57257352 is a `hidden beast` number, since 57 + 257 + 352 = 666.

57257352 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 2 ways, for example, as 57244356 + 12996 = 7566^2 + 114^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 8083 + ... + 13410.

Almost surely, 2^57257352 is an apocalyptic number.

It is an amenable number.

57257352 is an abundant number, since it is smaller than the sum of its proper divisors (102013188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57257352 is a wasteful number, since it uses less digits than its factorization.

57257352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21542 (or 21535 counting only the distinct ones).

The product of its digits is 73500, while the sum is 36.

The square root of 57257352 is about 7566.8587934492. The cubic root of 57257352 is about 385.4284363012.

The spelling of 57257352 in words is "fifty-seven million, two hundred fifty-seven thousand, three hundred fifty-two".