550468209 has 32 divisors (see below), whose sum is σ = 810741760. Its totient is φ = 330868800.

The previous prime is 550468189. The next prime is 550468213. The reversal of 550468209 is 902864055.

It is not a de Polignac number, because 550468209 - 2⁷ = 550468081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550448209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105234 + ... + 110340.

It is an arithmetic number, because the mean of its divisors is an integer number (25335680).

Almost surely, 2^550468209 is an apocalyptic number.

It is an amenable number.

550468209 is a deficient number, since it is larger than the sum of its proper divisors (260273551).

550468209 is a wasteful number, since it uses less digits than its factorization.

550468209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 550468209 is about 23462.0589249963. The cubic root of 550468209 is about 819.5536977454.

The spelling of 550468209 in words is "five hundred fifty million, four hundred sixty-eight thousand, two hundred nine".