57371144 has 8 divisors (see below), whose sum is σ = 107570910. Its totient is φ = 28685568.

The previous prime is 57371137. The next prime is 57371147. The reversal of 57371144 is 44117375.

It can be written as a sum of positive squares in only one way, i.e., 42640900 + 14730244 = 6530^2 + 3838^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 57371144.

It is not an unprimeable number, because it can be changed into a prime (57371147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3585689 + ... + 3585704.

Almost surely, 2^57371144 is an apocalyptic number.

It is an amenable number.

57371144 is a deficient number, since it is larger than the sum of its proper divisors (50199766).

57371144 is a wasteful number, since it uses less digits than its factorization.

57371144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7171399 (or 7171395 counting only the distinct ones).

The product of its digits is 11760, while the sum is 32.

The square root of 57371144 is about 7574.3741655664. The cubic root of 57371144 is about 385.6835980027.

It can be divided in two parts, 573 and 71144, that added together give a palindrome (71717).

The spelling of 57371144 in words is "fifty-seven million, three hundred seventy-one thousand, one hundred forty-four".