550433205155 has 16 divisors (see below), whose sum is σ = 689966049024. Its totient is φ = 420756204000.

The previous prime is 550433205139. The next prime is 550433205163. The reversal of 550433205155 is 551502334055.

It is not a de Polignac number, because 550433205155 - 2⁴ = 550433205139 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, 2418221 + ... + 2636030.

It is an arithmetic number, because the mean of its divisors is an integer number (43122878064).

Almost surely, 2^550433205155 is an apocalyptic number.

550433205155 is a deficient number, since it is larger than the sum of its proper divisors (139532843869).

550433205155 is a wasteful number, since it uses less digits than its factorization.

550433205155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055226.

The product of its (nonzero) digits is 225000, while the sum is 38.

The spelling of 550433205155 in words is "five hundred fifty billion, four hundred thirty-three million, two hundred five thousand, one hundred fifty-five".