57032281160 has 64 divisors (see below), whose sum is σ = 132341299200. Its totient is φ = 22106843136.

The previous prime is 57032281153. The next prime is 57032281213. The reversal of 57032281160 is 6118223075.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 57032281160.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87896 + ... + 348984.

It is an arithmetic number, because the mean of its divisors is an integer number (2067832800).

Almost surely, 2^57032281160 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 57032281160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66170649600).

57032281160 is an abundant number, since it is smaller than the sum of its proper divisors (75309018040).

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

57032281160 is a wasteful number, since it uses less digits than its factorization.

57032281160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261270 (or 261266 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 57032281160 in words is "fifty-seven billion, thirty-two million, two hundred eighty-one thousand, one hundred sixty".