57427772 has 12 divisors (see below), whose sum is σ = 103964280. Its totient is φ = 27723696.

The previous prime is 57427759. The next prime is 57427781. The reversal of 57427772 is 27772475.

It is a congruent number.

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, 247418 + ... + 247649.

It is an arithmetic number, because the mean of its divisors is an integer number (8663690).

Almost surely, 2^57427772 is an apocalyptic number.

It is an amenable number.

57427772 is a deficient number, since it is larger than the sum of its proper divisors (46536508).

57427772 is a wasteful number, since it uses less digits than its factorization.

57427772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495100 (or 495098 counting only the distinct ones).

The product of its digits is 192080, while the sum is 41.

The square root of 57427772 is about 7578.1113742146. Note that the first 3 decimals coincide. The cubic root of 57427772 is about 385.8104521861.

The spelling of 57427772 in words is "fifty-seven million, four hundred twenty-seven thousand, seven hundred seventy-two".