55163118 has 32 divisors (see below), whose sum is σ = 116467200. Its totient is φ = 17369856.

The previous prime is 55163083. The next prime is 55163149. The reversal of 55163118 is 81136155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76363 + ... + 77081.

It is an arithmetic number, because the mean of its divisors is an integer number (3639600).

Almost surely, 2^55163118 is an apocalyptic number.

55163118 is an abundant number, since it is smaller than the sum of its proper divisors (61304082).

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

55163118 is a wasteful number, since it uses less digits than its factorization.

55163118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416.

The product of its digits is 3600, while the sum is 30.

The square root of 55163118 is about 7427.1877584992. The cubic root of 55163118 is about 380.6708325934.

The spelling of 55163118 in words is "fifty-five million, one hundred sixty-three thousand, one hundred eighteen".