55184089191 has 16 divisors (see below), whose sum is σ = 91734590208. Its totient is φ = 28667059200.

The previous prime is 55184089097. The next prime is 55184089201. The reversal of 55184089191 is 19198048155.

55184089191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55184089191 - 2⁷ = 55184089063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55184089091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119445850 + ... + 119446311.

It is an arithmetic number, because the mean of its divisors is an integer number (5733411888).

Almost surely, 2^55184089191 is an apocalyptic number.

55184089191 is a deficient number, since it is larger than the sum of its proper divisors (36550501017).

55184089191 is a wasteful number, since it uses less digits than its factorization.

55184089191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238892182.

The product of its (nonzero) digits is 518400, while the sum is 51.

The spelling of 55184089191 in words is "fifty-five billion, one hundred eighty-four million, eighty-nine thousand, one hundred ninety-one".