550005050091 has 96 divisors (see below), whose sum is σ = 878822680320. Its totient is φ = 304965561600.

The previous prime is 550005050051. The next prime is 550005050099. The reversal of 550005050091 is 190050500055.

It is not a de Polignac number, because 550005050091 - 2⁶ = 550005050027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550005050099) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 258096096 + ... + 258098226.

It is an arithmetic number, because the mean of its divisors is an integer number (9154402920).

Almost surely, 2^550005050091 is an apocalyptic number.

550005050091 is a deficient number, since it is larger than the sum of its proper divisors (328817630229).

550005050091 is a wasteful number, since it uses less digits than its factorization.

550005050091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585 (or 2578 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 30.

The spelling of 550005050091 in words is "five hundred fifty billion, five million, fifty thousand, ninety-one".