57106538 has 8 divisors (see below), whose sum is σ = 85706400. Its totient is φ = 28537740.

The previous prime is 57106523. The next prime is 57106589. The reversal of 57106538 is 83560175.

57106538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×57106538² = 6522313364690888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57106498 and 57106507.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2438 + ... + 10961.

It is an arithmetic number, because the mean of its divisors is an integer number (10713300).

Almost surely, 2^57106538 is an apocalyptic number.

57106538 is a deficient number, since it is larger than the sum of its proper divisors (28599862).

57106538 is a wasteful number, since it uses less digits than its factorization.

57106538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15532.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 57106538 is about 7556.8867928533. The cubic root of 57106538 is about 385.0897367705.

The spelling of 57106538 in words is "fifty-seven million, one hundred six thousand, five hundred thirty-eight".