5559209 has 2 divisors, whose sum is σ = 5559210. Its totient is φ = 5559208.

The previous prime is 5559181. The next prime is 5559227. The reversal of 5559209 is 9029555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4243600 + 1315609 = 2060^2 + 1147^2 .

It is a cyclic number.

It is not a de Polignac number, because 5559209 - 2⁸ = 5558953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5559259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2779604 + 2779605.

It is an arithmetic number, because the mean of its divisors is an integer number (2779605).

Almost surely, 2^5559209 is an apocalyptic number.

It is an amenable number.

5559209 is a deficient number, since it is larger than the sum of its proper divisors (1).

5559209 is an equidigital number, since it uses as much as digits as its factorization.

5559209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20250, while the sum is 35.

The square root of 5559209 is about 2357.7974891835. The cubic root of 5559209 is about 177.1485766636.

The spelling of 5559209 in words is "five million, five hundred fifty-nine thousand, two hundred nine".