5504 is nontrivially palindromic in base 7.
It is a tau number, because it is divible by the number of its divisors (16).
It is a congruent number.
25504 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 5504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5504 is an equidigital number, since it uses as much as digits as its factorization.
5504 is an evil number, because the sum of its binary digits is even.
The square root of 5504 is about 74.1889479640. The cubic root of 5504 is about 17.6560198498.
Adding to 5504 its reverse (4055), we get a palindrome (9559).
The spelling of 5504 in words is "five thousand, five hundred four".