5545919191 has 8 divisors (see below), whose sum is σ = 5643597168. Its totient is φ = 5449080000.

The previous prime is 5545919131. The next prime is 5545919201. The reversal of 5545919191 is 1919195455.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5545919191 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 (5545919131) 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, 196350 + ... + 222811.

It is an arithmetic number, because the mean of its divisors is an integer number (705449646).

Almost surely, 2^5545919191 is an apocalyptic number.

5545919191 is a deficient number, since it is larger than the sum of its proper divisors (97677977).

5545919191 is a wasteful number, since it uses less digits than its factorization.

5545919191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419393.

The product of its digits is 364500, while the sum is 49.

The square root of 5545919191 is about 74470.9284956217. The cubic root of 5545919191 is about 1770.0730061283.

The spelling of 5545919191 in words is "five billion, five hundred forty-five million, nine hundred nineteen thousand, one hundred ninety-one".