550432405505 has 16 divisors (see below), whose sum is σ = 676505032704. Its totient is φ = 429775494720.

The previous prime is 550432405499. The next prime is 550432405517. The reversal of 550432405505 is 505504234055.

It is not a de Polignac number, because 550432405505 - 2³⁰ = 549358663681 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5386829 + ... + 5488058.

It is an arithmetic number, because the mean of its divisors is an integer number (42281564544).

Almost surely, 2^550432405505 is an apocalyptic number.

It is an amenable number.

550432405505 is a deficient number, since it is larger than the sum of its proper divisors (126072627199).

550432405505 is a wasteful number, since it uses less digits than its factorization.

550432405505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10875136.

The product of its (nonzero) digits is 300000, while the sum is 38.

The spelling of 550432405505 in words is "five hundred fifty billion, four hundred thirty-two million, four hundred five thousand, five hundred five".