55625166 has 12 divisors (see below), whose sum is σ = 120521232. Its totient is φ = 18541716.

The previous prime is 55625153. The next prime is 55625177. The reversal of 55625166 is 66152655.

It is a happy number.

55625166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55625166.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1545126 + ... + 1545161.

It is an arithmetic number, because the mean of its divisors is an integer number (10043436).

Almost surely, 2^55625166 is an apocalyptic number.

55625166 is an abundant number, since it is smaller than the sum of its proper divisors (64896066).

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

55625166 is a wasteful number, since it uses less digits than its factorization.

55625166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3090295 (or 3090292 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 55625166 is about 7458.2280737451. The cubic root of 55625166 is about 381.7307158030.

The spelling of 55625166 in words is "fifty-five million, six hundred twenty-five thousand, one hundred sixty-six".