505055505459 has 16 divisors (see below), whose sum is σ = 680282108064. Its totient is φ = 333268320000.

The previous prime is 505055505431. The next prime is 505055505463. The reversal of 505055505459 is 954505550505.

It is not a de Polignac number, because 505055505459 - 2²⁹ = 504518634547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505055505659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 747727 + ... + 1252679.

It is an arithmetic number, because the mean of its divisors is an integer number (42517631754).

Almost surely, 2^505055505459 is an apocalyptic number.

505055505459 is a deficient number, since it is larger than the sum of its proper divisors (175226602605).

505055505459 is a wasteful number, since it uses less digits than its factorization.

505055505459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508358.

The product of its (nonzero) digits is 2812500, while the sum is 48.

The spelling of 505055505459 in words is "five hundred five billion, fifty-five million, five hundred five thousand, four hundred fifty-nine".