550000850 has 48 divisors (see below), whose sum is σ = 1172865408. Its totient is φ = 187971840.

The previous prime is 550000793. The next prime is 550000873. The reversal of 550000850 is 58000055.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115619 + ... + 120281.

It is an arithmetic number, because the mean of its divisors is an integer number (24434696).

Almost surely, 2^550000850 is an apocalyptic number.

550000850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

550000850 is an abundant number, since it is smaller than the sum of its proper divisors (622864558).

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

550000850 is a wasteful number, since it uses less digits than its factorization.

550000850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5019 (or 5014 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 550000850 is about 23452.0969211710. The cubic root of 550000850 is about 819.3216926750.

The spelling of 550000850 in words is "five hundred fifty million, eight hundred fifty", and thus it is an aban number.