505055505549 has 16 divisors (see below), whose sum is σ = 769699942400. Its totient is φ = 288568813680.

The previous prime is 505055505541. The next prime is 505055505601. The reversal of 505055505549 is 945505550505.

It is not a de Polignac number, because 505055505549 - 2³ = 505055505541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 505055505498 and 505055505507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505055505541) 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, 1249249 + ... + 1603350.

It is an arithmetic number, because the mean of its divisors is an integer number (48106246400).

Almost surely, 2^505055505549 is an apocalyptic number.

It is an amenable number.

505055505549 is a deficient number, since it is larger than the sum of its proper divisors (264644436851).

505055505549 is a wasteful number, since it uses less digits than its factorization.

505055505549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861040.

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

The spelling of 505055505549 in words is "five hundred five billion, fifty-five million, five hundred five thousand, five hundred forty-nine".