57285360 has 160 divisors (see below), whose sum is σ = 215343360. Its totient is φ = 13881600.

The previous prime is 57285329. The next prime is 57285367. The reversal of 57285360 is 6358275.

57285360 is a `hidden beast` number, since 572 + 85 + 3 + 6 + 0 = 666.

57285360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×57285360² = 6563224940659200, which contains 22 as substring.

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 (57285367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22555 + ... + 24965.

It is an arithmetic number, because the mean of its divisors is an integer number (1345896).

Almost surely, 2^57285360 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 57285360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107671680).

57285360 is an abundant number, since it is smaller than the sum of its proper divisors (158058000).

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

57285360 is a wasteful number, since it uses less digits than its factorization.

57285360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444 (or 2432 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 57285360 is about 7568.7092690894. The cubic root of 57285360 is about 385.4912714340.

The spelling of 57285360 in words is "fifty-seven million, two hundred eighty-five thousand, three hundred sixty".