2555505539 has 2 divisors, whose sum is σ = 2555505540. Its totient is φ = 2555505538.

The previous prime is 2555505497. The next prime is 2555505559. The reversal of 2555505539 is 9355055552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2555505539 - 2¹⁶ = 2555440003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2555505539.

It is not a weakly prime, because it can be changed into another prime (2555505559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277752769 + 1277752770.

It is an arithmetic number, because the mean of its divisors is an integer number (1277752770).

Almost surely, 2^2555505539 is an apocalyptic number.

2555505539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555505539 is an equidigital number, since it uses as much as digits as its factorization.

2555505539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 843750, while the sum is 44.

The square root of 2555505539 is about 50552.0082588219. The cubic root of 2555505539 is about 1367.1797237759.

The spelling of 2555505539 in words is "two billion, five hundred fifty-five million, five hundred five thousand, five hundred thirty-nine".