57392244 has 72 divisors (see below), whose sum is σ = 178563840. Its totient is φ = 15135552.

The previous prime is 57392227. The next prime is 57392263. The reversal of 57392244 is 44229375.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 57392199 and 57392208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5484 + ... + 12035.

Almost surely, 2^57392244 is an apocalyptic number.

It is an amenable number.

57392244 is an abundant number, since it is smaller than the sum of its proper divisors (121171596).

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

57392244 is a wasteful number, since it uses less digits than its factorization.

57392244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17549 (or 17544 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 57392244 is about 7575.7668918731. The cubic root of 57392244 is about 385.7308745364.

The spelling of 57392244 in words is "fifty-seven million, three hundred ninety-two thousand, two hundred forty-four".