5559979 has 2 divisors, whose sum is σ = 5559980. Its totient is φ = 5559978.

The previous prime is 5559947. The next prime is 5560001. The reversal of 5559979 is 9799555.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5559979 - 2⁵ = 5559947 is a prime.

It is not a weakly prime, because it can be changed into another 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 as a sum of consecutive naturals, namely, 2779989 + 2779990.

It is an arithmetic number, because the mean of its divisors is an integer number (2779990).

Almost surely, 2^5559979 is an apocalyptic number.

5559979 is a deficient number, since it is larger than the sum of its proper divisors (1).

5559979 is an equidigital number, since it uses as much as digits as its factorization.

5559979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 637875, while the sum is 49.

The square root of 5559979 is about 2357.9607715142. The cubic root of 5559979 is about 177.1567551717.

The spelling of 5559979 in words is "five million, five hundred fifty-nine thousand, nine hundred seventy-nine".