5550919191 has 12 divisors (see below), whose sum is σ = 8234697432. Its totient is φ = 3600596016.

The previous prime is 5550919181. The next prime is 5550919207. The reversal of 5550919191 is 1919190555.

5550919191 is a `hidden beast` number, since 5 + 550 + 9 + 1 + 9 + 1 + 91 = 666.

It is not a de Polignac number, because 5550919191 - 2¹⁰ = 5550918167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550919181) 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 11 ways as a sum of consecutive naturals, for example, 8334381 + ... + 8335046.

It is an arithmetic number, because the mean of its divisors is an integer number (686224786).

Almost surely, 2^5550919191 is an apocalyptic number.

5550919191 is a deficient number, since it is larger than the sum of its proper divisors (2683778241).

5550919191 is a wasteful number, since it uses less digits than its factorization.

5550919191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16669470 (or 16669467 counting only the distinct ones).

The product of its (nonzero) digits is 91125, while the sum is 45.

The square root of 5550919191 is about 74504.4910793974. The cubic root of 5550919191 is about 1770.6047909316.

The spelling of 5550919191 in words is "five billion, five hundred fifty million, nine hundred nineteen thousand, one hundred ninety-one".