57250560 has 144 divisors (see below), whose sum is σ = 193820256. Its totient is φ = 14352384.

The previous prime is 57250549. The next prime is 57250573. The reversal of 57250560 is 6505275.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 64842 + ... + 65718.

It is an arithmetic number, because the mean of its divisors is an integer number (1345974).

Almost surely, 2^57250560 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 57250560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96910128).

57250560 is an abundant number, since it is smaller than the sum of its proper divisors (136569696).

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

57250560 is a wasteful number, since it uses less digits than its factorization.

57250560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918 (or 904 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 57250560 is about 7566.4099809619. The cubic root of 57250560 is about 385.4131955600.

The spelling of 57250560 in words is "fifty-seven million, two hundred fifty thousand, five hundred sixty".