5579 has 4 divisors (see below), whose sum is σ = 6384. Its totient is φ = 4776.

The previous prime is 5573. The next prime is 5581. The reversal of 5579 is 9755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9755 = 5 ⋅1951.

It is a cyclic number.

It is not a de Polignac number, because 5579 - 2⁴ = 5563 is a prime.

It is a super-2 number, since 2×5579² = 62250482, which contains 22 as substring.

It is a plaindrome in base 10 and base 15.

It is not an unprimeable number, because it can be changed into a prime (5573) 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, 392 + ... + 405.

It is an arithmetic number, because the mean of its divisors is an integer number (1596).

2⁵⁵⁷⁹ is an apocalyptic number.

5579 is a deficient number, since it is larger than the sum of its proper divisors (805).

5579 is an equidigital number, since it uses as much as digits as its factorization.

5579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804.

The product of its digits is 1575, while the sum is 26.

The square root of 5579 is about 74.6927037936. The cubic root of 5579 is about 17.7358546299.

Subtracting from 5579 its product of digits (1575), we obtain a palindrome (4004).

The spelling of 5579 in words is "five thousand, five hundred seventy-nine".