55184544 has 96 divisors (see below), whose sum is σ = 168013440. Its totient is φ = 17588736.

The previous prime is 55184527. The next prime is 55184573. The reversal of 55184544 is 44548155.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 55184499 and 55184508.

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, 18484 + ... + 21260.

It is an arithmetic number, because the mean of its divisors is an integer number (1750140).

Almost surely, 2^55184544 is an apocalyptic number.

55184544 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55184544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84006720).

55184544 is an abundant number, since it is smaller than the sum of its proper divisors (112828896).

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

55184544 is a wasteful number, since it uses less digits than its factorization.

55184544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819 (or 2805 counting only the distinct ones).

The product of its digits is 64000, while the sum is 36.

The square root of 55184544 is about 7428.6300217469. The cubic root of 55184544 is about 380.7201118811.

The spelling of 55184544 in words is "fifty-five million, one hundred eighty-four thousand, five hundred forty-four".