57372245738 has 4 divisors (see below), whose sum is σ = 86058368610. Its totient is φ = 28686122868.

The previous prime is 57372245731. The next prime is 57372245743. The reversal of 57372245738 is 83754227375.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 43565290729 + 13806955009 = 208723^2 + 117503^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57372245738.

It is not an unprimeable number, because it can be changed into a prime (57372245731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14343061433 + ... + 14343061436.

Almost surely, 2^57372245738 is an apocalyptic number.

57372245738 is a deficient number, since it is larger than the sum of its proper divisors (28686122872).

57372245738 is a wasteful number, since it uses less digits than its factorization.

57372245738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28686122871.

The product of its digits is 9878400, while the sum is 53.

The spelling of 57372245738 in words is "fifty-seven billion, three hundred seventy-two million, two hundred forty-five thousand, seven hundred thirty-eight".