550550505064 has 32 divisors (see below), whose sum is σ = 1184236859520. Its totient is φ = 235053061056.

The previous prime is 550550505053. The next prime is 550550505073. The reversal of 550550505064 is 460505055055.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18675879 + ... + 18705334.

It is an arithmetic number, because the mean of its divisors is an integer number (37007401860).

Almost surely, 2^550550505064 is an apocalyptic number.

It is an amenable number.

550550505064 is an abundant number, since it is smaller than the sum of its proper divisors (633686354456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550550505064 is a wasteful number, since it uses less digits than its factorization.

550550505064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37381489 (or 37381485 counting only the distinct ones).

The product of its (nonzero) digits is 375000, while the sum is 40.

The spelling of 550550505064 in words is "five hundred fifty billion, five hundred fifty million, five hundred five thousand, sixty-four".