57955228 has 24 divisors (see below), whose sum is σ = 105557760. Its totient is φ = 27819120.

The previous prime is 57955223. The next prime is 57955229. The reversal of 57955228 is 82255975.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57955223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7293 + ... + 13003.

It is an arithmetic number, because the mean of its divisors is an integer number (4398240).

Almost surely, 2^57955228 is an apocalyptic number.

It is an amenable number.

57955228 is a deficient number, since it is larger than the sum of its proper divisors (47602532).

57955228 is a wasteful number, since it uses less digits than its factorization.

57955228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5817 (or 5815 counting only the distinct ones).

The product of its digits is 252000, while the sum is 43.

The square root of 57955228 is about 7612.8331125804. The cubic root of 57955228 is about 386.9880367629.

The spelling of 57955228 in words is "fifty-seven million, nine hundred fifty-five thousand, two hundred twenty-eight".