2555218559 has 2 divisors, whose sum is σ = 2555218560. Its totient is φ = 2555218558.

The previous prime is 2555218531. The next prime is 2555218577. The reversal of 2555218559 is 9558125552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2555218559 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2555218459) 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, 1277609279 + 1277609280.

It is an arithmetic number, because the mean of its divisors is an integer number (1277609280).

Almost surely, 2^2555218559 is an apocalyptic number.

2555218559 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555218559 is an equidigital number, since it uses as much as digits as its factorization.

2555218559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900000, while the sum is 47.

The square root of 2555218559 is about 50549.1697162278. The cubic root of 2555218559 is about 1367.1285443493.

The spelling of 2555218559 in words is "two billion, five hundred fifty-five million, two hundred eighteen thousand, five hundred fifty-nine".