5555689 has 2 divisors, whose sum is σ = 5555690. Its totient is φ = 5555688.

The previous prime is 5555681. The next prime is 5555699. The reversal of 5555689 is 9865555.

5555689 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5475600 + 80089 = 2340^2 + 283^2 .

It is a cyclic number.

It is not a de Polignac number, because 5555689 - 2³ = 5555681 is a prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (5555681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777844 + 2777845.

It is an arithmetic number, because the mean of its divisors is an integer number (2777845).

Almost surely, 2^5555689 is an apocalyptic number.

It is an amenable number.

5555689 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555689 is an equidigital number, since it uses as much as digits as its factorization.

5555689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270000, while the sum is 43.

The square root of 5555689 is about 2357.0509116266. The cubic root of 5555689 is about 177.1111795779. Note that the first 4 decimals are identical.

The spelling of 5555689 in words is "five million, five hundred fifty-five thousand, six hundred eighty-nine".