550344109 has 4 divisors (see below), whose sum is σ = 628964704. Its totient is φ = 471723516.

The previous prime is 550344083. The next prime is 550344127. The reversal of 550344109 is 901443055.

550344109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 550344109 - 2⁹ = 550343597 is a prime.

It is a super-2 number, since 2×550344109² = 605757276622007762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550344409) 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, 39310287 + ... + 39310300.

It is an arithmetic number, because the mean of its divisors is an integer number (157241176).

Almost surely, 2^550344109 is an apocalyptic number.

It is an amenable number.

550344109 is a deficient number, since it is larger than the sum of its proper divisors (78620595).

550344109 is an equidigital number, since it uses as much as digits as its factorization.

550344109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78620594.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 550344109 is about 23459.4140804923. The cubic root of 550344109 is about 819.4921051737.

The spelling of 550344109 in words is "five hundred fifty million, three hundred forty-four thousand, one hundred nine".