53343819191 has 32 divisors (see below), whose sum is σ = 61349933568. Its totient is φ = 46023966720.

The previous prime is 53343819167. The next prime is 53343819209. The reversal of 53343819191 is 19191834335.

It is a cyclic number.

It is not a de Polignac number, because 53343819191 - 2¹⁴ = 53343802807 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 (53343819161) 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 31 ways as a sum of consecutive naturals, for example, 2029751 + ... + 2055863.

It is an arithmetic number, because the mean of its divisors is an integer number (1917185424).

Almost surely, 2^53343819191 is an apocalyptic number.

53343819191 is a deficient number, since it is larger than the sum of its proper divisors (8006114377).

53343819191 is a wasteful number, since it uses less digits than its factorization.

53343819191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26331.

The product of its digits is 349920, while the sum is 47.

The spelling of 53343819191 in words is "fifty-three billion, three hundred forty-three million, eight hundred nineteen thousand, one hundred ninety-one".