57285873 has 20 divisors (see below), whose sum is σ = 87032880. Its totient is φ = 37540152.

The previous prime is 57285863. The next prime is 57285911. The reversal of 57285873 is 37858275.

57285873 is a `hidden beast` number, since 572 + 8 + 5 + 8 + 73 = 666.

It is not a de Polignac number, because 57285873 - 2⁴ = 57285857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57285863) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1215 + ... + 10772.

It is an arithmetic number, because the mean of its divisors is an integer number (4351644).

Almost surely, 2^57285873 is an apocalyptic number.

It is an amenable number.

57285873 is a deficient number, since it is larger than the sum of its proper divisors (29747007).

57285873 is a wasteful number, since it uses less digits than its factorization.

57285873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12058 (or 12049 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 57285873 is about 7568.7431585436. The cubic root of 57285873 is about 385.4924221436.

The spelling of 57285873 in words is "fifty-seven million, two hundred eighty-five thousand, eight hundred seventy-three".