550019109 has 4 divisors (see below), whose sum is σ = 733358816. Its totient is φ = 366679404.

The previous prime is 550019069. The next prime is 550019111. The reversal of 550019109 is 901910055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 550019109 - 2⁹ = 550018597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550019909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91669849 + ... + 91669854.

It is an arithmetic number, because the mean of its divisors is an integer number (183339704).

Almost surely, 2^550019109 is an apocalyptic number.

It is an amenable number.

550019109 is a deficient number, since it is larger than the sum of its proper divisors (183339707).

550019109 is a wasteful number, since it uses less digits than its factorization.

550019109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183339706.

The product of its (nonzero) digits is 2025, while the sum is 30.

The square root of 550019109 is about 23452.4862008274. The cubic root of 550019109 is about 819.3307592242.

The spelling of 550019109 in words is "five hundred fifty million, nineteen thousand, one hundred nine".