57163968 has 70 divisors (see below), whose sum is σ = 169467276. Its totient is φ = 19052928.

The previous prime is 57163957. The next prime is 57163973. The reversal of 57163968 is 86936175.

It is a happy number.

57163968 is a `hidden beast` number, since 5 + 7 + 1 + 639 + 6 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 330 + ... + 10697.

Almost surely, 2^57163968 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 57163968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84733638).

57163968 is an abundant number, since it is smaller than the sum of its proper divisors (112303308).

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

57163968 is a wasteful number, since it uses less digits than its factorization.

57163968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11051 (or 11032 counting only the distinct ones).

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

The square root of 57163968 is about 7560.6856831904. The cubic root of 57163968 is about 385.2187838396.

It can be divided in two parts, 57 and 163968, that added together give a square (164025 = 405²).

The spelling of 57163968 in words is "fifty-seven million, one hundred sixty-three thousand, nine hundred sixty-eight".