57986228 has 6 divisors (see below), whose sum is σ = 101475906. Its totient is φ = 28993112.

The previous prime is 57986191. The next prime is 57986239. The reversal of 57986228 is 82268975.

It can be written as a sum of positive squares in only one way, i.e., 44649124 + 13337104 = 6682^2 + 3652^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7248275 + ... + 7248282.

It is an arithmetic number, because the mean of its divisors is an integer number (16912651).

Almost surely, 2^57986228 is an apocalyptic number.

It is an amenable number.

57986228 is a deficient number, since it is larger than the sum of its proper divisors (43489678).

57986228 is a wasteful number, since it uses less digits than its factorization.

57986228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14496561 (or 14496559 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 57986228 is about 7614.8688760871. The cubic root of 57986228 is about 387.0570238714.

The spelling of 57986228 in words is "fifty-seven million, nine hundred eighty-six thousand, two hundred twenty-eight".