55044960 has 96 divisors (see below), whose sum is σ = 177684192. Its totient is φ = 14315520.

The previous prime is 55044953. The next prime is 55044991. The reversal of 55044960 is 6944055.

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

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, 18282 + ... + 21078.

It is an arithmetic number, because the mean of its divisors is an integer number (1850877).

Almost surely, 2^55044960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55044960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88842096).

55044960 is an abundant number, since it is smaller than the sum of its proper divisors (122639232).

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

55044960 is a wasteful number, since it uses less digits than its factorization.

55044960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856 (or 2848 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 55044960 is about 7419.2290704628. The cubic root of 55044960 is about 380.3988425453.

The spelling of 55044960 in words is "fifty-five million, forty-four thousand, nine hundred sixty".