550065327228 has 72 divisors (see below), whose sum is σ = 1403879677200. Its totient is φ = 181584861696.

The previous prime is 550065327221. The next prime is 550065327233. The reversal of 550065327228 is 822723560055.

550065327228 is a `hidden beast` number, since 5 + 500 + 6 + 53 + 2 + 72 + 28 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550065327221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8321275 + ... + 8387117.

It is an arithmetic number, because the mean of its divisors is an integer number (19498328850).

Almost surely, 2^550065327228 is an apocalyptic number.

It is an amenable number.

550065327228 is an abundant number, since it is smaller than the sum of its proper divisors (853814349972).

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

550065327228 is a wasteful number, since it uses less digits than its factorization.

550065327228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68091 (or 68086 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The spelling of 550065327228 in words is "five hundred fifty billion, sixty-five million, three hundred twenty-seven thousand, two hundred twenty-eight".