57655564 has 12 divisors (see below), whose sum is σ = 101128104. Its totient is φ = 28761824.

The previous prime is 57655531. The next prime is 57655579. The reversal of 57655564 is 46555675.

57655564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 57655564.

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, 14497 + ... + 18040.

It is an arithmetic number, because the mean of its divisors is an integer number (8427342).

Almost surely, 2^57655564 is an apocalyptic number.

It is an amenable number.

57655564 is a deficient number, since it is larger than the sum of its proper divisors (43472540).

57655564 is a wasteful number, since it uses less digits than its factorization.

57655564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32984 (or 32982 counting only the distinct ones).

The product of its digits is 630000, while the sum is 43.

The square root of 57655564 is about 7593.1261019425. The cubic root of 57655564 is about 386.3198955352.

The spelling of 57655564 in words is "fifty-seven million, six hundred fifty-five thousand, five hundred sixty-four".