55912 has 16 divisors (see below), whose sum is σ = 108900. Its totient is φ = 26880.

The previous prime is 55903. The next prime is 55921. The reversal of 55912 is 21955.

55912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55903) and next prime (55921).

It can be written as a sum of positive squares in 2 ways, for example, as 54756 + 1156 = 234^2 + 34^2 .

It is an Ulam number.

It is an unprimeable number.

55912 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112 + ... + 352.

2⁵⁵⁹¹² is an apocalyptic number.

It is an amenable number.

55912 is a deficient number, since it is larger than the sum of its proper divisors (52988).

55912 is a wasteful number, since it uses less digits than its factorization.

55912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 272 counting only the distinct ones).

The product of its digits is 450, while the sum is 22.

The square root of 55912 is about 236.4571842850. The cubic root of 55912 is about 38.2385729176.

The spelling of 55912 in words is "fifty-five thousand, nine hundred twelve".