55144118 has 8 divisors (see below), whose sum is σ = 87069720. Its totient is φ = 26120880.

The previous prime is 55144069. The next prime is 55144123. The reversal of 55144118 is 81144155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725543 + ... + 725618.

It is an arithmetic number, because the mean of its divisors is an integer number (10883715).

Almost surely, 2^55144118 is an apocalyptic number.

55144118 is a deficient number, since it is larger than the sum of its proper divisors (31925602).

55144118 is a wasteful number, since it uses less digits than its factorization.

55144118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451182.

The product of its digits is 3200, while the sum is 29.

The square root of 55144118 is about 7425.9085639402. The cubic root of 55144118 is about 380.6271223715.

The spelling of 55144118 in words is "fifty-five million, one hundred forty-four thousand, one hundred eighteen".