5556659 has 2 divisors, whose sum is σ = 5556660. Its totient is φ = 5556658.

The previous prime is 5556653. The next prime is 5556667. The reversal of 5556659 is 9566555.

5556659 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 is a cyclic number.

It is not a de Polignac number, because 5556659 - 2⁴ = 5556643 is a prime.

It is not a weakly prime, because it can be changed into another prime (5556653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2778329 + 2778330.

It is an arithmetic number, because the mean of its divisors is an integer number (2778330).

Almost surely, 2^5556659 is an apocalyptic number.

5556659 is a deficient number, since it is larger than the sum of its proper divisors (1).

5556659 is an equidigital number, since it uses as much as digits as its factorization.

5556659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 202500, while the sum is 41.

The square root of 5556659 is about 2357.2566682481. The cubic root of 5556659 is about 177.1214866011.

The spelling of 5556659 in words is "five million, five hundred fifty-six thousand, six hundred fifty-nine".