550125218 has 8 divisors (see below), whose sum is σ = 833695212. Its totient is φ = 272226816.

The previous prime is 550125211. The next prime is 550125227. The reversal of 550125218 is 812521055.

It can be written as a sum of positive squares in 2 ways, for example, as 541167169 + 8958049 = 23263^2 + 2993^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (550125211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1417655 + ... + 1418042.

Almost surely, 2^550125218 is an apocalyptic number.

550125218 is a deficient number, since it is larger than the sum of its proper divisors (283569994).

550125218 is a wasteful number, since it uses less digits than its factorization.

550125218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835796.

The product of its (nonzero) digits is 4000, while the sum is 29.

The square root of 550125218 is about 23454.7483039149. The cubic root of 550125218 is about 819.3834439255.

The spelling of 550125218 in words is "five hundred fifty million, one hundred twenty-five thousand, two hundred eighteen".