54641909191 has 4 divisors (see below), whose sum is σ = 54646734384. Its totient is φ = 54637084000.

The previous prime is 54641909177. The next prime is 54641909239. The reversal of 54641909191 is 19190914645.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54641909191 - 2¹⁵ = 54641876423 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 (54641909141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2395570 + ... + 2418271.

It is an arithmetic number, because the mean of its divisors is an integer number (13661683596).

Almost surely, 2^54641909191 is an apocalyptic number.

54641909191 is a deficient number, since it is larger than the sum of its proper divisors (4825193).

54641909191 is a wasteful number, since it uses less digits than its factorization.

54641909191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4825192.

The product of its (nonzero) digits is 349920, while the sum is 49.

The spelling of 54641909191 in words is "fifty-four billion, six hundred forty-one million, nine hundred nine thousand, one hundred ninety-one".