550445885 has 16 divisors (see below), whose sum is σ = 721204992. Its totient is φ = 399979200.

The previous prime is 550445837. The next prime is 550445891. The reversal of 550445885 is 588544055.

550445885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 550445885 - 2¹⁰ = 550444861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72332 + ... + 79578.

It is an arithmetic number, because the mean of its divisors is an integer number (45075312).

Almost surely, 2^550445885 is an apocalyptic number.

550445885 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

550445885 is a deficient number, since it is larger than the sum of its proper divisors (170759107).

550445885 is a wasteful number, since it uses less digits than its factorization.

550445885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8644.

The product of its (nonzero) digits is 640000, while the sum is 44.

The square root of 550445885 is about 23461.5831733496. The cubic root of 550445885 is about 819.5426187138.

The spelling of 550445885 in words is "five hundred fifty million, four hundred forty-five thousand, eight hundred eighty-five".