It is a nialpdrome in base 7.
It is a congruent number.
It is an unprimeable number.
25600 is an apocalyptic number.
5600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 5600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5600 is a wasteful number, since it uses less digits than its factorization.
5600 is an evil number, because the sum of its binary digits is even.
The square root of 5600 is about 74.8331477355. The cubic root of 5600 is about 17.7580800349.
Adding to 5600 its reverse (65), we get a palindrome (5665).
The spelling of 5600 in words is "five thousand, six hundred".