57371140 has 12 divisors (see below), whose sum is σ = 120479436. Its totient is φ = 22948448.

The previous prime is 57371137. The next prime is 57371147. The reversal of 57371140 is 4117375.

It can be written as a sum of positive squares in 2 ways, for example, as 6220036 + 51151104 = 2494^2 + 7152^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57371099 and 57371108.

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 in 3 ways as a sum of consecutive naturals, for example, 1434259 + ... + 1434298.

It is an arithmetic number, because the mean of its divisors is an integer number (10039953).

Almost surely, 2^57371140 is an apocalyptic number.

It is an amenable number.

57371140 is an abundant number, since it is smaller than the sum of its proper divisors (63108296).

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

57371140 is a wasteful number, since it uses less digits than its factorization.

57371140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868566 (or 2868564 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 57371140 is about 7574.3739015182. The cubic root of 57371140 is about 385.6835890392.

The spelling of 57371140 in words is "fifty-seven million, three hundred seventy-one thousand, one hundred forty".