57993656 has 48 divisors (see below), whose sum is σ = 127155600. Its totient is φ = 24724224.

The previous prime is 57993619. The next prime is 57993671. The reversal of 57993656 is 65639975.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131885 + ... + 132323.

It is an arithmetic number, because the mean of its divisors is an integer number (2649075).

Almost surely, 2^57993656 is an apocalyptic number.

57993656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57993656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63577800).

57993656 is an abundant number, since it is smaller than the sum of its proper divisors (69161944).

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

57993656 is a wasteful number, since it uses less digits than its factorization.

57993656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796 (or 785 counting only the distinct ones).

The product of its digits is 1530900, while the sum is 50.

The square root of 57993656 is about 7615.3565904690. The cubic root of 57993656 is about 387.0735504209.

The spelling of 57993656 in words is "fifty-seven million, nine hundred ninety-three thousand, six hundred fifty-six".