55054144 has 28 divisors (see below), whose sum is σ = 111917988. Its totient is φ = 26854400.

The previous prime is 55054141. The next prime is 55054183. The reversal of 55054144 is 44145055.

It can be written as a sum of positive squares in 2 ways, for example, as 12960000 + 42094144 = 3600^2 + 6488^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55054141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7867 + ... + 13114.

It is an arithmetic number, because the mean of its divisors is an integer number (3997071).

Almost surely, 2^55054144 is an apocalyptic number.

It is an amenable number.

55054144 is an abundant number, since it is smaller than the sum of its proper divisors (56863844).

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

55054144 is a wasteful number, since it uses less digits than its factorization.

55054144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21034 (or 21024 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 55054144 is about 7419.8479768793. The cubic root of 55054144 is about 380.4199973049.

Adding to 55054144 its reverse (44145055), we get a palindrome (99199199).

The spelling of 55054144 in words is "fifty-five million, fifty-four thousand, one hundred forty-four".