57575756 has 12 divisors (see below), whose sum is σ = 115151568. Its totient is φ = 24675312.

The previous prime is 57575743. The next prime is 57575761. The reversal of 57575756 is 65757575.

57575756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

57575756 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 57575756.

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 3 ways as a sum of consecutive naturals, for example, 1028111 + ... + 1028166.

It is an arithmetic number, because the mean of its divisors is an integer number (9595964).

Almost surely, 2^57575756 is an apocalyptic number.

It is an amenable number.

57575756 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57575756 is a wasteful number, since it uses less digits than its factorization.

57575756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056288 (or 2056286 counting only the distinct ones).

The product of its digits is 1286250, while the sum is 47.

The square root of 57575756 is about 7587.8690025593. The cubic root of 57575756 is about 386.1415626166.

The spelling of 57575756 in words is "fifty-seven million, five hundred seventy-five thousand, seven hundred fifty-six".