5597 has 4 divisors (see below), whose sum is σ = 5820.
Its totient is φ = 5376.
The previous prime is 5591. The next prime is 5623. The reversal of 5597 is 7955.
It can be divided in two parts, 55 and 97, that multiplied together give a palindrome (5335).
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 2116 + 3481 = 46^2 + 59^2
It is a cyclic number.
It is not a de Polignac number, because 5597 - 24 = 5581 is a prime.
It is an Ulam number.
It is a Duffinian number.
It is a plaindrome in base 16.
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, 68 + ... + 125.
It is an arithmetic number, because the mean of its divisors is an integer number (1455).
25597 is an apocalyptic number.
It is an amenable number.
5597 is a deficient number, since it is larger than the sum of its proper divisors (223).
5597 is a wasteful number, since it uses less digits than its factorization.
5597 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 222.
The product of its digits is 1575, while the sum is 26.
The square root of 5597 is about 74.8131004571.
The cubic root of 5597 is about 17.7549083827.
The spelling of 5597 in words is "five thousand, five hundred ninety-seven".