57135256 has 8 divisors (see below), whose sum is σ = 107128620. Its totient is φ = 28567624.

The previous prime is 57135227. The next prime is 57135311. The reversal of 57135256 is 65253175.

57135256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3570946 + ... + 3570961.

Almost surely, 2^57135256 is an apocalyptic number.

It is an amenable number.

57135256 is a deficient number, since it is larger than the sum of its proper divisors (49993364).

57135256 is a wasteful number, since it uses less digits than its factorization.

57135256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7141913 (or 7141909 counting only the distinct ones).

The product of its digits is 31500, while the sum is 34.

The square root of 57135256 is about 7558.7866751219. The cubic root of 57135256 is about 385.1542778555.

The spelling of 57135256 in words is "fifty-seven million, one hundred thirty-five thousand, two hundred fifty-six".