57373138 has 16 divisors (see below), whose sum is σ = 87623640. Its totient is φ = 28169856.

The previous prime is 57373133. The next prime is 57373159. The reversal of 57373138 is 83137375.

It can be written as a sum of positive squares in 4 ways, for example, as 35964009 + 21409129 = 5997^2 + 4627^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57373097 and 57373106.

It is not an unprimeable number, because it can be changed into a prime (57373133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26920 + ... + 28972.

Almost surely, 2^57373138 is an apocalyptic number.

57373138 is a deficient number, since it is larger than the sum of its proper divisors (30250502).

57373138 is a wasteful number, since it uses less digits than its factorization.

57373138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301.

The product of its digits is 52920, while the sum is 37.

The square root of 57373138 is about 7574.5057924593. The cubic root of 57373138 is about 385.6880662431.

The spelling of 57373138 in words is "fifty-seven million, three hundred seventy-three thousand, one hundred thirty-eight".