505055055539 has 2 divisors, whose sum is σ = 505055055540. Its totient is φ = 505055055538.

The previous prime is 505055055509. The next prime is 505055055611. The reversal of 505055055539 is 935550550505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505055055539 - 2³⁶ = 436335578803 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 505055055493 and 505055055502.

It is not a weakly prime, because it can be changed into another prime (505055055509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252527527769 + 252527527770.

It is an arithmetic number, because the mean of its divisors is an integer number (252527527770).

Almost surely, 2^505055055539 is an apocalyptic number.

505055055539 is a deficient number, since it is larger than the sum of its proper divisors (1).

505055055539 is an equidigital number, since it uses as much as digits as its factorization.

505055055539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2109375, while the sum is 47.

The spelling of 505055055539 in words is "five hundred five billion, fifty-five million, fifty-five thousand, five hundred thirty-nine".