57240475 has 12 divisors (see below), whose sum is σ = 71085976. Its totient is φ = 45722880.

The previous prime is 57240467. The next prime is 57240487. The reversal of 57240475 is 57404275.

It is not a de Polignac number, because 57240475 - 2³ = 57240467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57240475.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20779 + ... + 23371.

Almost surely, 2^57240475 is an apocalyptic number.

57240475 is a deficient number, since it is larger than the sum of its proper divisors (13845501).

57240475 is a wasteful number, since it uses less digits than its factorization.

57240475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3486 (or 3481 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 57240475 is about 7565.7435193112. The cubic root of 57240475 is about 385.3905633486.

The spelling of 57240475 in words is "fifty-seven million, two hundred forty thousand, four hundred seventy-five".