550505505505 has 8 divisors (see below), whose sum is σ = 660612690432. Its totient is φ = 440400348528.

The previous prime is 550505505491. The next prime is 550505505521. The reversal of 550505505505 is 505505505055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550505505505 - 2¹³ = 550505497313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173184 + ... + 1063486.

It is an arithmetic number, because the mean of its divisors is an integer number (82576586304).

Almost surely, 2^550505505505 is an apocalyptic number.

It is an amenable number.

550505505505 is a deficient number, since it is larger than the sum of its proper divisors (110107184927).

550505505505 is a wasteful number, since it uses less digits than its factorization.

550505505505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013975.

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 550505505505 in words is "five hundred fifty billion, five hundred five million, five hundred five thousand, five hundred five".