2555885539 has 2 divisors, whose sum is σ = 2555885540. Its totient is φ = 2555885538.

The previous prime is 2555885533. The next prime is 2555885573. The reversal of 2555885539 is 9355885552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2555885539 - 2¹⁹ = 2555361251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2555885539.

It is not a weakly prime, because it can be changed into another prime (2555885533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277942769 + 1277942770.

It is an arithmetic number, because the mean of its divisors is an integer number (1277942770).

Almost surely, 2^2555885539 is an apocalyptic number.

2555885539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555885539 is an equidigital number, since it uses as much as digits as its factorization.

2555885539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800000, while the sum is 55.

The square root of 2555885539 is about 50555.7666245899. The cubic root of 2555885539 is about 1367.2474863038.

The spelling of 2555885539 in words is "two billion, five hundred fifty-five million, eight hundred eighty-five thousand, five hundred thirty-nine".