5555589 has 16 divisors (see below), whose sum is σ = 8034432. Its totient is φ = 3394368.

The previous prime is 5555567. The next prime is 5555591. The reversal of 5555589 is 9855555.

It is not a de Polignac number, because 5555589 - 2⁷ = 5555461 is a prime.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 5555589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6087 + ... + 6939.

It is an arithmetic number, because the mean of its divisors is an integer number (502152).

Almost surely, 2^5555589 is an apocalyptic number.

It is an amenable number.

5555589 is a deficient number, since it is larger than the sum of its proper divisors (2478843).

5555589 is a wasteful number, since it uses less digits than its factorization.

5555589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036.

The product of its digits is 225000, while the sum is 42.

The square root of 5555589 is about 2357.0296985825. The cubic root of 5555589 is about 177.1101169300.

The spelling of 5555589 in words is "five million, five hundred fifty-five thousand, five hundred eighty-nine".