57865956 has 12 divisors (see below), whose sum is σ = 135020592. Its totient is φ = 19288648.

The previous prime is 57865949. The next prime is 57865967. The reversal of 57865956 is 65956875.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 57865899 and 57865908.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2411070 + ... + 2411093.

It is an arithmetic number, because the mean of its divisors is an integer number (11251716).

Almost surely, 2^57865956 is an apocalyptic number.

It is an amenable number.

57865956 is an abundant number, since it is smaller than the sum of its proper divisors (77154636).

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

57865956 is a wasteful number, since it uses less digits than its factorization.

57865956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4822170 (or 4822168 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 51.

The square root of 57865956 is about 7606.9675955666. The cubic root of 57865956 is about 386.7892341654.

The spelling of 57865956 in words is "fifty-seven million, eight hundred sixty-five thousand, nine hundred fifty-six".