53386652917243 has 2 divisors, whose sum is σ = 53386652917244. Its totient is φ = 53386652917242.

The previous prime is 53386652917229. The next prime is 53386652917271. The reversal of 53386652917243 is 34271925668335.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53386652917243 is a prime.

It is not a weakly prime, because it can be changed into another prime (53386652915243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26693326458621 + 26693326458622.

It is an arithmetic number, because the mean of its divisors is an integer number (26693326458622).

Almost surely, 2^{53386652917243} is an apocalyptic number.

53386652917243 is a deficient number, since it is larger than the sum of its proper divisors (1).

53386652917243 is an equidigital number, since it uses as much as digits as its factorization.

53386652917243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 195955200, while the sum is 64.

The spelling of 53386652917243 in words is "fifty-three trillion, three hundred eighty-six billion, six hundred fifty-two million, nine hundred seventeen thousand, two hundred forty-three".