57243960 has 96 divisors (see below), whose sum is σ = 195858000. Its totient is φ = 14459904.

The previous prime is 57243959. The next prime is 57243961. The reversal of 57243960 is 6934275.

It is an interprime number because it is at equal distance from previous prime (57243959) and next prime (57243961).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57243961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2656 + ... + 11024.

Almost surely, 2^57243960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57243960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97929000).

57243960 is an abundant number, since it is smaller than the sum of its proper divisors (138614040).

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

57243960 is a wasteful number, since it uses less digits than its factorization.

57243960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8405 (or 8398 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 57243960 is about 7565.9738302482. The cubic root of 57243960 is about 385.3983844976.

The spelling of 57243960 in words is "fifty-seven million, two hundred forty-three thousand, nine hundred sixty".