57938856 has 32 divisors (see below), whose sum is σ = 153368640. Its totient is φ = 18176768.

The previous prime is 57938849. The next prime is 57938857. The reversal of 57938856 is 65883975.

It is a super-2 number, since 2×57938856² = 6713822069177472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 57938799 and 57938808.

It is not an unprimeable number, because it can be changed into a prime (57938857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70596 + ... + 71411.

It is an arithmetic number, because the mean of its divisors is an integer number (4792770).

Almost surely, 2^57938856 is an apocalyptic number.

It is an amenable number.

57938856 is an abundant number, since it is smaller than the sum of its proper divisors (95429784).

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

57938856 is a wasteful number, since it uses less digits than its factorization.

57938856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142033 (or 142029 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 51.

The square root of 57938856 is about 7611.7577470647. The cubic root of 57938856 is about 386.9515927408.

The spelling of 57938856 in words is "fifty-seven million, nine hundred thirty-eight thousand, eight hundred fifty-six".