57386881 has 8 divisors (see below), whose sum is σ = 58494240. Its totient is φ = 56284128.

The previous prime is 57386873. The next prime is 57386891. The reversal of 57386881 is 18868375.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57386881 - 2³ = 57386873 is a prime.

It is a super-2 number, since 2×57386881² = 6586508221816322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57386851) 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, 33805 + ... + 35461.

It is an arithmetic number, because the mean of its divisors is an integer number (7311780).

Almost surely, 2^57386881 is an apocalyptic number.

It is an amenable number.

57386881 is a deficient number, since it is larger than the sum of its proper divisors (1107359).

57386881 is a wasteful number, since it uses less digits than its factorization.

57386881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303.

The product of its digits is 322560, while the sum is 46.

The square root of 57386881 is about 7575.4129260391. The cubic root of 57386881 is about 385.7188593291.

The spelling of 57386881 in words is "fifty-seven million, three hundred eighty-six thousand, eight hundred eighty-one".