57252872 has 16 divisors (see below), whose sum is σ = 113664060. Its totient is φ = 26942464.

The previous prime is 57252863. The next prime is 57252883. The reversal of 57252872 is 27825275.

It can be written as a sum of positive squares in 2 ways, for example, as 47803396 + 9449476 = 6914^2 + 3074^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210353 + ... + 210624.

Almost surely, 2^57252872 is an apocalyptic number.

It is an amenable number.

57252872 is a deficient number, since it is larger than the sum of its proper divisors (56411188).

57252872 is a wasteful number, since it uses less digits than its factorization.

57252872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421000 (or 420996 counting only the distinct ones).

The product of its digits is 78400, while the sum is 38.

The square root of 57252872 is about 7566.5627599327. The cubic root of 57252872 is about 385.4183836508.

The spelling of 57252872 in words is "fifty-seven million, two hundred fifty-two thousand, eight hundred seventy-two".