57885381 has 32 divisors (see below), whose sum is σ = 92016000. Its totient is φ = 35852544.

The previous prime is 57885371. The next prime is 57885383. The reversal of 57885381 is 18358875.

It is a happy number.

57885381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57885381 - 2⁵ = 57885349 is a prime.

It is a super-2 number, since 2×57885381² = 6701434667030322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57885383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26125 + ... + 28253.

It is an arithmetic number, because the mean of its divisors is an integer number (2875500).

Almost surely, 2^57885381 is an apocalyptic number.

It is an amenable number.

57885381 is a deficient number, since it is larger than the sum of its proper divisors (34130619).

57885381 is a wasteful number, since it uses less digits than its factorization.

57885381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210 (or 2204 counting only the distinct ones).

The product of its digits is 268800, while the sum is 45.

The square root of 57885381 is about 7608.2442784127. The cubic root of 57885381 is about 386.8325096986.

The spelling of 57885381 in words is "fifty-seven million, eight hundred eighty-five thousand, three hundred eighty-one".