57136656 has 20 divisors (see below), whose sum is σ = 147603152. Its totient is φ = 19045536.

The previous prime is 57136613. The next prime is 57136661. The reversal of 57136656 is 65663175.

57136656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 595126 + ... + 595221.

Almost surely, 2^57136656 is an apocalyptic number.

It is an amenable number.

57136656 is an abundant number, since it is smaller than the sum of its proper divisors (90466496).

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

57136656 is a wasteful number, since it uses less digits than its factorization.

57136656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190358 (or 1190352 counting only the distinct ones).

The product of its digits is 113400, while the sum is 39.

The square root of 57136656 is about 7558.8792820100. The cubic root of 57136656 is about 385.1574236749.

The spelling of 57136656 in words is "fifty-seven million, one hundred thirty-six thousand, six hundred fifty-six".