57003228 has 36 divisors (see below), whose sum is σ = 145072200. Its totient is φ = 18871776.

The previous prime is 57003181. The next prime is 57003239. The reversal of 57003228 is 82230075.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51 + ... + 10677.

Almost surely, 2^57003228 is an apocalyptic number.

It is an amenable number.

57003228 is an abundant number, since it is smaller than the sum of its proper divisors (88068972).

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

57003228 is a wasteful number, since it uses less digits than its factorization.

57003228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10786 (or 10781 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 57003228 is about 7550.0482117666. The cubic root of 57003228 is about 384.8573778804.

The spelling of 57003228 in words is "fifty-seven million, three thousand, two hundred twenty-eight".