55360 has 28 divisors (see below), whose sum is σ = 132588. Its totient is φ = 22016.

The previous prime is 55351. The next prime is 55373. The reversal of 55360 is 6355.

It can be written as a sum of positive squares in 2 ways, for example, as 36864 + 18496 = 192^2 + 136^2 .

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234 + ... + 406.

2⁵⁵³⁶⁰ 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 55360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66294).

55360 is an abundant number, since it is smaller than the sum of its proper divisors (77228).

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

55360 is a wasteful number, since it uses less digits than its factorization.

55360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 55360 is about 235.2870587176. The cubic root of 55360 is about 38.1123177382.

The spelling of 55360 in words is "fifty-five thousand, three hundred sixty".