57326138 has 16 divisors (see below), whose sum is σ = 89311200. Its totient is φ = 27575856.

The previous prime is 57326123. The next prime is 57326177. The reversal of 57326138 is 83162375.

It is a junction number, because it is equal to n+sod(n) for n = 57326098 and 57326107.

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, 788 + ... + 10736.

It is an arithmetic number, because the mean of its divisors is an integer number (5581950).

Almost surely, 2^57326138 is an apocalyptic number.

57326138 is a deficient number, since it is larger than the sum of its proper divisors (31985062).

57326138 is a wasteful number, since it uses less digits than its factorization.

57326138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10061.

The product of its digits is 30240, while the sum is 35.

The square root of 57326138 is about 7571.4026441605. The cubic root of 57326138 is about 385.5827190837.

The spelling of 57326138 in words is "fifty-seven million, three hundred twenty-six thousand, one hundred thirty-eight".