550485966 has 16 divisors (see below), whose sum is σ = 1101881088. Its totient is φ = 183343800.

The previous prime is 550485953. The next prime is 550485977. The reversal of 550485966 is 669584055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29880 + ... + 44651.

It is an arithmetic number, because the mean of its divisors is an integer number (68867568).

Almost surely, 2^550485966 is an apocalyptic number.

550485966 is an abundant number, since it is smaller than the sum of its proper divisors (551395122).

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

550485966 is a wasteful number, since it uses less digits than its factorization.

550485966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75767.

The product of its (nonzero) digits is 1296000, while the sum is 48.

The square root of 550485966 is about 23462.4373414187. The cubic root of 550485966 is about 819.5625100367.

The spelling of 550485966 in words is "five hundred fifty million, four hundred eighty-five thousand, nine hundred sixty-six".