57137944 has 16 divisors (see below), whose sum is σ = 107379000. Its totient is φ = 28503552.

The previous prime is 57137939. The next prime is 57137987. The reversal of 57137944 is 44973175.

It is a junction number, because it is equal to n+sod(n) for n = 57137897 and 57137906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4362 + ... + 11545.

Almost surely, 2^57137944 is an apocalyptic number.

It is an amenable number.

57137944 is a deficient number, since it is larger than the sum of its proper divisors (50241056).

57137944 is a wasteful number, since it uses less digits than its factorization.

57137944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16362 (or 16358 counting only the distinct ones).

The product of its digits is 105840, while the sum is 40.

The square root of 57137944 is about 7558.9644793450. The cubic root of 57137944 is about 385.1603177833.

It can be divided in two parts, 57137 and 944, that added together give a square (58081 = 241²).

The spelling of 57137944 in words is "fifty-seven million, one hundred thirty-seven thousand, nine hundred forty-four".