57994664 has 128 divisors (see below), whose sum is σ = 143942400. Its totient is φ = 21288960.

The previous prime is 57994639. The next prime is 57994679. The reversal of 57994664 is 46649975.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 865559 + ... + 865625.

It is an arithmetic number, because the mean of its divisors is an integer number (1124550).

Almost surely, 2^57994664 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 57994664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71971200).

57994664 is an abundant number, since it is smaller than the sum of its proper divisors (85947736).

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

57994664 is a wasteful number, since it uses less digits than its factorization.

57994664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 159 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 50.

The square root of 57994664 is about 7615.4227722432. The cubic root of 57994664 is about 387.0757930104.

The spelling of 57994664 in words is "fifty-seven million, nine hundred ninety-four thousand, six hundred sixty-four".