55048320 has 192 divisors, whose sum is σ = 200491200. Its totient is φ = 13879296.

The previous prime is 55048319. The next prime is 55048349. The reversal of 55048320 is 2384055.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109189 + ... + 109691.

It is an arithmetic number, because the mean of its divisors is an integer number (1044225).

Almost surely, 2^55048320 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 55048320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100245600).

55048320 is an abundant number, since it is smaller than the sum of its proper divisors (145442880).

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

55048320 is a wasteful number, since it uses less digits than its factorization.

55048320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 55048320 is about 7419.4555056284. The cubic root of 55048320 is about 380.4065823644.

It can be divided in two parts, 5504 and 8320, that added together give a cube (13824 = 24³).

The spelling of 55048320 in words is "fifty-five million, forty-eight thousand, three hundred twenty".