550005055280 has 40 divisors (see below), whose sum is σ = 1288095806592. Its totient is φ = 218396163584.

The previous prime is 550005055261. The next prime is 550005055283. The reversal of 550005055280 is 82550500055.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 550005055280.

It is not an unprimeable number, because it can be changed into a prime (550005055283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25080512 + ... + 25102431.

Almost surely, 2^550005055280 is an apocalyptic number.

It is an amenable number.

550005055280 is an abundant number, since it is smaller than the sum of its proper divisors (738090751312).

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

550005055280 is a wasteful number, since it uses less digits than its factorization.

550005055280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50183093 (or 50183087 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 35.

The spelling of 550005055280 in words is "five hundred fifty billion, five million, fifty-five thousand, two hundred eighty".