57282560 has 52 divisors (see below), whose sum is σ = 137510508. Its totient is φ = 22904832.

The previous prime is 57282553. The next prime is 57282583. The reversal of 57282560 is 6528275.

It can be written as a sum of positive squares in 2 ways, for example, as 31719424 + 25563136 = 5632^2 + 5056^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57282560.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19082 + ... + 21878.

Almost surely, 2^57282560 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 57282560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68755254).

57282560 is an abundant number, since it is smaller than the sum of its proper divisors (80227948).

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

57282560 is an equidigital number, since it uses as much as digits as its factorization.

57282560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2826 (or 2804 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 57282560 is about 7568.5242947354. The cubic root of 57282560 is about 385.4849906371.

The spelling of 57282560 in words is "fifty-seven million, two hundred eighty-two thousand, five hundred sixty".