5559 has 8 divisors (see below), whose sum is σ = 7920.
Its totient is φ = 3456.
The previous prime is 5557. The next prime is 5563. The reversal of 5559 is 9555.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 5559 - 21 = 5557 is a prime.
5559 is a lucky number.
It is a plaindrome in base 8 and base 10.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5557) 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, 4 + ... + 105.
It is an arithmetic number, because the mean of its divisors is an integer number (990).
25559 is an apocalyptic number.
5559 is a deficient number, since it is larger than the sum of its proper divisors (2361).
5559 is a wasteful number, since it uses less digits than its factorization.
5559 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129.
The product of its digits is 1125, while the sum is 24.
The square root of 5559 is about 74.5587017054.
The cubic root of 5559 is about 17.7146356653.
The spelling of 5559 in words is "five thousand, five hundred fifty-nine".