57270208 has 28 divisors (see below), whose sum is σ = 114665760. Its totient is φ = 28378112.

The previous prime is 57270203. The next prime is 57270209. The reversal of 57270208 is 80207275.

It is a self number, because there is not a number n which added to its sum of digits gives 57270208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57270203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3273 + ... + 11191.

Almost surely, 2^57270208 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 57270208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57332880).

57270208 is an abundant number, since it is smaller than the sum of its proper divisors (57395552).

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

57270208 is a wasteful number, since it uses less digits than its factorization.

57270208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8044 (or 8034 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 57270208 is about 7567.7082396192. The cubic root of 57270208 is about 385.4572809066.

The spelling of 57270208 in words is "fifty-seven million, two hundred seventy thousand, two hundred eight".