57365240 has 16 divisors (see below), whose sum is σ = 129071880. Its totient is φ = 22946080.

The previous prime is 57365233. The next prime is 57365257. The reversal of 57365240 is 4256375.

It is a junction number, because it is equal to n+sod(n) for n = 57365197 and 57365206.

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, 717026 + ... + 717105.

Almost surely, 2^57365240 is an apocalyptic number.

It is an amenable number.

57365240 is an abundant number, since it is smaller than the sum of its proper divisors (71706640).

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

57365240 is a wasteful number, since it uses less digits than its factorization.

57365240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434142 (or 1434138 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 57365240 is about 7573.9844203695. The cubic root of 57365240 is about 385.6703674602.

The spelling of 57365240 in words is "fifty-seven million, three hundred sixty-five thousand, two hundred forty".