53434543533611 has 2 divisors, whose sum is σ = 53434543533612. Its totient is φ = 53434543533610.

The previous prime is 53434543533529. The next prime is 53434543533619. The reversal of 53434543533611 is 11633534543435.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53434543533611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53434543533611.

It is not a weakly prime, because it can be changed into another prime (53434543533619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26717271766805 + 26717271766806.

It is an arithmetic number, because the mean of its divisors is an integer number (26717271766806).

Almost surely, 2^{53434543533611} is an apocalyptic number.

53434543533611 is a deficient number, since it is larger than the sum of its proper divisors (1).

53434543533611 is an equidigital number, since it uses as much as digits as its factorization.

53434543533611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664000, while the sum is 50.

The spelling of 53434543533611 in words is "fifty-three trillion, four hundred thirty-four billion, five hundred forty-three million, five hundred thirty-three thousand, six hundred eleven".