57355312 has 20 divisors (see below), whose sum is σ = 127001296. Its totient is φ = 24580800.

The previous prime is 57355289. The next prime is 57355313. The reversal of 57355312 is 21355375.

It is not an unprimeable number, because it can be changed into a prime (57355313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255939 + ... + 256162.

Almost surely, 2^57355312 is an apocalyptic number.

It is an amenable number.

57355312 is an abundant number, since it is smaller than the sum of its proper divisors (69645984).

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

57355312 is a wasteful number, since it uses less digits than its factorization.

57355312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512116 (or 512110 counting only the distinct ones).

The product of its digits is 15750, while the sum is 31.

The square root of 57355312 is about 7573.3289906091. The cubic root of 57355312 is about 385.6481173060.

The spelling of 57355312 in words is "fifty-seven million, three hundred fifty-five thousand, three hundred twelve".