57090708 has 36 divisors (see below), whose sum is σ = 145809300. Its totient is φ = 18832896.

The previous prime is 57090707. The next prime is 57090773. The reversal of 57090708 is 80709075.

57090708 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16793604 + 40297104 = 4098^2 + 6348^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

57090708 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57090707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4683 + ... + 11666.

Almost surely, 2^57090708 is an apocalyptic number.

It is an amenable number.

57090708 is an abundant number, since it is smaller than the sum of its proper divisors (88718592).

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

57090708 is a wasteful number, since it uses less digits than its factorization.

57090708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16456 (or 16451 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 57090708 is about 7555.8393312722. The cubic root of 57090708 is about 385.0541510384.

The spelling of 57090708 in words is "fifty-seven million, ninety thousand, seven hundred eight".