5559989 has 4 divisors (see below), whose sum is σ = 5852640. Its totient is φ = 5267340.

The previous prime is 5559979. The next prime is 5560001. The reversal of 5559989 is 9899555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9899555 = 5 ⋅1979911.

It is a cyclic number.

It is not a de Polignac number, because 5559989 - 2⁸ = 5559733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5559929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146297 + ... + 146334.

It is an arithmetic number, because the mean of its divisors is an integer number (1463160).

Almost surely, 2^5559989 is an apocalyptic number.

It is an amenable number.

5559989 is a deficient number, since it is larger than the sum of its proper divisors (292651).

5559989 is a wasteful number, since it uses less digits than its factorization.

5559989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292650.

The product of its digits is 729000, while the sum is 50.

The square root of 5559989 is about 2357.9628919896. The cubic root of 5559989 is about 177.1568613811.

The spelling of 5559989 in words is "five million, five hundred fifty-nine thousand, nine hundred eighty-nine".