555555555559 has 2 divisors, whose sum is σ = 555555555560. Its totient is φ = 555555555558.

The previous prime is 555555555551. The next prime is 555555555613. The reversal of 555555555559 is 955555555555.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 555555555559 - 2³ = 555555555551 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 555555555559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555555555551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277777777779 + 277777777780.

It is an arithmetic number, because the mean of its divisors is an integer number (277777777780).

Almost surely, 2^555555555559 is an apocalyptic number.

555555555559 is a deficient number, since it is larger than the sum of its proper divisors (1).

555555555559 is an equidigital number, since it uses as much as digits as its factorization.

555555555559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 439453125, while the sum is 64.

The spelling of 555555555559 in words is "five hundred fifty-five billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred fifty-nine".