550302345909 has 8 divisors (see below), whose sum is σ = 815262734720. Its totient is φ = 366868230588.

The previous prime is 550302345889. The next prime is 550302345959. The reversal of 550302345909 is 909543203055.

550302345909 is a `hidden beast` number, since 5 + 5 + 0 + 30 + 23 + 4 + 590 + 9 = 666.

It is not a de Polignac number, because 550302345909 - 2⁵ = 550302345877 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 (550302345959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10190784157 + ... + 10190784210.

It is an arithmetic number, because the mean of its divisors is an integer number (101907841840).

Almost surely, 2^550302345909 is an apocalyptic number.

It is an amenable number.

550302345909 is a deficient number, since it is larger than the sum of its proper divisors (264960388811).

550302345909 is a wasteful number, since it uses less digits than its factorization.

550302345909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20381568376 (or 20381568370 counting only the distinct ones).

The product of its (nonzero) digits is 729000, while the sum is 45.

The spelling of 550302345909 in words is "five hundred fifty billion, three hundred two million, three hundred forty-five thousand, nine hundred nine".