5590 has 16 divisors (see below), whose sum is σ = 11088.
Its totient is φ = 2016.
The previous prime is 5581. The next prime is 5591. The reversal of 5590 is 955.
5590 is nontrivially palindromic in base 6.
It is a nialpdrome in base 11.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5591) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109 + ... + 151.
It is an arithmetic number, because the mean of its divisors is an integer number (693).
5590 is a deficient number, since it is larger than the sum of its proper divisors (5498).
5590 is a wasteful number, since it uses less digits than its factorization.
5590 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63.
The product of its (nonzero) digits is 225, while the sum is 19.
The square root of 5590 is about 74.7663025701.
The cubic root of 5590 is about 17.7475034510.
It can be divided in two parts, 55 and 90, that multiplied together give a triangular number (4950 = T99).
The spelling of 5590 in words is "five thousand, five hundred ninety".