57949164 has 216 divisors, whose sum is σ = 194157600. Its totient is φ = 14478912.

The previous prime is 57949159. The next prime is 57949181. The reversal of 57949164 is 46194975.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3049947 + ... + 3049965.

Almost surely, 2^57949164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57949164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97078800).

57949164 is an abundant number, since it is smaller than the sum of its proper divisors (136208436).

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

57949164 is a wasteful number, since it uses less digits than its factorization.

57949164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 44 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 57949164 is about 7612.4348273072. The cubic root of 57949164 is about 386.9745391178.

The spelling of 57949164 in words is "fifty-seven million, nine hundred forty-nine thousand, one hundred sixty-four".