57155608 has 8 divisors (see below), whose sum is σ = 107166780. Its totient is φ = 28577800.

The previous prime is 57155587. The next prime is 57155611. The reversal of 57155608 is 80655175.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 3572218 + ... + 3572233.

Almost surely, 2^57155608 is an apocalyptic number.

It is an amenable number.

57155608 is a deficient number, since it is larger than the sum of its proper divisors (50011172).

57155608 is a wasteful number, since it uses less digits than its factorization.

57155608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7144457 (or 7144453 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 37.

The square root of 57155608 is about 7560.1328030664. The cubic root of 57155608 is about 385.2000040257.

The spelling of 57155608 in words is "fifty-seven million, one hundred fifty-five thousand, six hundred eight".