5550217191 has 12 divisors (see below), whose sum is σ = 8212517040. Its totient is φ = 3609897120.

The previous prime is 5550217177. The next prime is 5550217213. The reversal of 5550217191 is 1917120555.

5550217191 is a `hidden beast` number, since 5 + 550 + 2 + 17 + 1 + 91 = 666.

It is not a de Polignac number, because 5550217191 - 2¹⁹ = 5549692903 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550217121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7520251 + ... + 7520988.

It is an arithmetic number, because the mean of its divisors is an integer number (684376420).

Almost surely, 2^5550217191 is an apocalyptic number.

5550217191 is a deficient number, since it is larger than the sum of its proper divisors (2662299849).

5550217191 is a wasteful number, since it uses less digits than its factorization.

5550217191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15041286 (or 15041283 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 36.

The square root of 5550217191 is about 74499.7798050437. The cubic root of 5550217191 is about 1770.5301476205.

The spelling of 5550217191 in words is "five billion, five hundred fifty million, two hundred seventeen thousand, one hundred ninety-one".