53585353243 has 2 divisors, whose sum is σ = 53585353244. Its totient is φ = 53585353242.

The previous prime is 53585353223. The next prime is 53585353259. The reversal of 53585353243 is 34235358535.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53585353243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53585353193 and 53585353202.

It is not a weakly prime, because it can be changed into another prime (53585353223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26792676621 + 26792676622.

It is an arithmetic number, because the mean of its divisors is an integer number (26792676622).

Almost surely, 2^53585353243 is an apocalyptic number.

53585353243 is a deficient number, since it is larger than the sum of its proper divisors (1).

53585353243 is an equidigital number, since it uses as much as digits as its factorization.

53585353243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240000, while the sum is 46.

The spelling of 53585353243 in words is "fifty-three billion, five hundred eighty-five million, three hundred fifty-three thousand, two hundred forty-three".