57106938 has 16 divisors (see below), whose sum is σ = 130530240. Its totient is φ = 16316256.

The previous prime is 57106909. The next prime is 57106949. The reversal of 57106938 is 83960175.

It is a super-2 number, since 2×57106938² = 6522404735471688, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57106896 and 57106905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679803 + ... + 679886.

It is an arithmetic number, because the mean of its divisors is an integer number (8158140).

Almost surely, 2^57106938 is an apocalyptic number.

57106938 is an abundant number, since it is smaller than the sum of its proper divisors (73423302).

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

57106938 is a wasteful number, since it uses less digits than its factorization.

57106938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359701.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 57106938 is about 7556.9132587320. The cubic root of 57106938 is about 385.0906358826.

The spelling of 57106938 in words is "fifty-seven million, one hundred six thousand, nine hundred thirty-eight".