57285708 has 12 divisors (see below), whose sum is σ = 133666680. Its totient is φ = 19095232.

The previous prime is 57285691. The next prime is 57285727. The reversal of 57285708 is 80758275.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×57285708³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 57285708.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2386893 + ... + 2386916.

It is an arithmetic number, because the mean of its divisors is an integer number (11138890).

Almost surely, 2^57285708 is an apocalyptic number.

It is an amenable number.

57285708 is an abundant number, since it is smaller than the sum of its proper divisors (76380972).

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

57285708 is a wasteful number, since it uses less digits than its factorization.

57285708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4773816 (or 4773814 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 42.

The square root of 57285708 is about 7568.7322584433. The cubic root of 57285708 is about 385.4920520331.

The spelling of 57285708 in words is "fifty-seven million, two hundred eighty-five thousand, seven hundred eight".