57911228 has 6 divisors (see below), whose sum is σ = 101344656. Its totient is φ = 28955612.

The previous prime is 57911219. The next prime is 57911233. The reversal of 57911228 is 82211975.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7238900 + ... + 7238907.

It is an arithmetic number, because the mean of its divisors is an integer number (16890776).

Almost surely, 2^57911228 is an apocalyptic number.

It is an amenable number.

57911228 is a deficient number, since it is larger than the sum of its proper divisors (43433428).

57911228 is a wasteful number, since it uses less digits than its factorization.

57911228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14477811 (or 14477809 counting only the distinct ones).

The product of its digits is 10080, while the sum is 35.

The square root of 57911228 is about 7609.9427067488. The cubic root of 57911228 is about 386.8900773257.

The spelling of 57911228 in words is "fifty-seven million, nine hundred eleven thousand, two hundred twenty-eight".