5599 has 4 divisors (see below), whose sum is σ = 6120. Its totient is φ = 5080.
The previous prime is 5591. The next prime is 5623. The reversal of 5599 is 9955.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 5599 - 23 = 5591 is a prime.
It is an Ulam number.
It is a Duffinian number.
5599 is a modest number, since divided by 99 gives 55 as remainder.
5599 is a lucky number.
It is a plaindrome in base 10 and base 16.
It is a nialpdrome in base 9.
It is a zygodrome in base 10.
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 3 ways as a sum of consecutive naturals, for example, 244 + ... + 265.
It is an arithmetic number, because the mean of its divisors is an integer number (1530).
5599 is a deficient number, since it is larger than the sum of its proper divisors (521).
5599 is a wasteful number, since it uses less digits than its factorization.
5599 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 520.
The product of its digits is 2025, while the sum is 28.
The square root of 5599 is about 74.8264659061. The cubic root of 5599 is about 17.7570229434.
Subtracting 5599 from its reverse (9955), we obtain a square (4356 = 662).
It can be divided in two parts, 55 and 99, that multiplied together give a palindrome (5445).
The spelling of 5599 in words is "five thousand, five hundred ninety-nine".
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