550831278191 has 8 divisors (see below), whose sum is σ = 565917146544. Its totient is φ = 535755859200.

The previous prime is 550831278169. The next prime is 550831278199. The reversal of 550831278191 is 191872138055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550831278191 - 2¹⁰ = 550831277167 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 (550831278199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2505410 + ... + 2716383.

It is an arithmetic number, because the mean of its divisors is an integer number (70739643318).

Almost surely, 2^550831278191 is an apocalyptic number.

550831278191 is a deficient number, since it is larger than the sum of its proper divisors (15085868353).

550831278191 is a wasteful number, since it uses less digits than its factorization.

550831278191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5224681.

The product of its (nonzero) digits is 604800, while the sum is 50.

The spelling of 550831278191 in words is "five hundred fifty billion, eight hundred thirty-one million, two hundred seventy-eight thousand, one hundred ninety-one".