550846389 has 16 divisors (see below), whose sum is σ = 767290752. Its totient is φ = 350853888.

The previous prime is 550846363. The next prime is 550846421. The reversal of 550846389 is 983648055.

It is a happy number.

It is not a de Polignac number, because 550846389 - 2¹⁵ = 550813621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550846319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61569 + ... + 69945.

It is an arithmetic number, because the mean of its divisors is an integer number (47955672).

Almost surely, 2^550846389 is an apocalyptic number.

It is an amenable number.

550846389 is a deficient number, since it is larger than the sum of its proper divisors (216444363).

550846389 is a wasteful number, since it uses less digits than its factorization.

550846389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9356.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The square root of 550846389 is about 23470.1169362234. The cubic root of 550846389 is about 819.7413367176.

The spelling of 550846389 in words is "five hundred fifty million, eight hundred forty-six thousand, three hundred eighty-nine".