53539214191 has 2 divisors, whose sum is σ = 53539214192. Its totient is φ = 53539214190.

The previous prime is 53539214177. The next prime is 53539214221. The reversal of 53539214191 is 19141293535.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53539214191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53539214101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26769607095 + 26769607096.

It is an arithmetic number, because the mean of its divisors is an integer number (26769607096).

Almost surely, 2^53539214191 is an apocalyptic number.

53539214191 is a deficient number, since it is larger than the sum of its proper divisors (1).

53539214191 is an equidigital number, since it uses as much as digits as its factorization.

53539214191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 43.

The spelling of 53539214191 in words is "fifty-three billion, five hundred thirty-nine million, two hundred fourteen thousand, one hundred ninety-one".