55144104 has 16 divisors (see below), whose sum is σ = 137860320. Its totient is φ = 18381360.

The previous prime is 55144069. The next prime is 55144123. The reversal of 55144104 is 40144155.

It is a happy number.

55144104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 2297671 = 55144104 / (5 + 5 + 1 + 4 + 4 + 1 + 0 + 4).

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 3 ways as a sum of consecutive naturals, for example, 1148812 + ... + 1148859.

It is an arithmetic number, because the mean of its divisors is an integer number (8616270).

Almost surely, 2^55144104 is an apocalyptic number.

It is an amenable number.

55144104 is an abundant number, since it is smaller than the sum of its proper divisors (82716216).

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

55144104 is a wasteful number, since it uses less digits than its factorization.

55144104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297680 (or 2297676 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 55144104 is about 7425.9076212945. The cubic root of 55144104 is about 380.6270901603.

Adding to 55144104 its reverse (40144155), we get a palindrome (95288259).

The spelling of 55144104 in words is "fifty-five million, one hundred forty-four thousand, one hundred four".