55898166 has 16 divisors (see below), whose sum is σ = 111870000. Its totient is φ = 18620448.

The previous prime is 55898149. The next prime is 55898189. The reversal of 55898166 is 66189855.

55898166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 14800 + ... + 18188.

It is an arithmetic number, because the mean of its divisors is an integer number (6991875).

Almost surely, 2^55898166 is an apocalyptic number.

55898166 is an abundant number, since it is smaller than the sum of its proper divisors (55971834).

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

55898166 is a wasteful number, since it uses less digits than its factorization.

55898166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6143.

The product of its digits is 518400, while the sum is 48.

The square root of 55898166 is about 7476.5076071653. The cubic root of 55898166 is about 382.3541893720.

The spelling of 55898166 in words is "fifty-five million, eight hundred ninety-eight thousand, one hundred sixty-six".