57855556 has 24 divisors (see below), whose sum is σ = 116950176. Its totient is φ = 24750720.

The previous prime is 57855547. The next prime is 57855559. The reversal of 57855556 is 65555875.

57855556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (57855559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37926 + ... + 39421.

It is an arithmetic number, because the mean of its divisors is an integer number (4872924).

Almost surely, 2^57855556 is an apocalyptic number.

It is an amenable number.

57855556 is an abundant number, since it is smaller than the sum of its proper divisors (59094620).

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

57855556 is a wasteful number, since it uses less digits than its factorization.

57855556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77379 (or 77377 counting only the distinct ones).

The product of its digits is 1050000, while the sum is 46.

The square root of 57855556 is about 7606.2839810252. The cubic root of 57855556 is about 386.7660607872.

The spelling of 57855556 in words is "fifty-seven million, eight hundred fifty-five thousand, five hundred fifty-six".