57835638 has 24 divisors (see below), whose sum is σ = 143212368. Its totient is φ = 16524432.

The previous prime is 57835627. The next prime is 57835643. The reversal of 57835638 is 83653875.

57835638 is a `hidden beast` number, since 5 + 7 + 8 + 3 + 5 + 638 = 666.

It is a super-2 number, since 2×57835638² = 6689922045734088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57835593 and 57835602.

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, 229381 + ... + 229632.

It is an arithmetic number, because the mean of its divisors is an integer number (5967182).

Almost surely, 2^57835638 is an apocalyptic number.

57835638 is an abundant number, since it is smaller than the sum of its proper divisors (85376730).

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

57835638 is a wasteful number, since it uses less digits than its factorization.

57835638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459028 (or 459025 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 57835638 is about 7604.9745561705. The cubic root of 57835638 is about 386.7216715580.

The spelling of 57835638 in words is "fifty-seven million, eight hundred thirty-five thousand, six hundred thirty-eight".