52665322859 has 2 divisors, whose sum is σ = 52665322860. Its totient is φ = 52665322858.

The previous prime is 52665322819. The next prime is 52665322877. The reversal of 52665322859 is 95822356625.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52665322859 - 2²⁰ = 52664274283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52665322859.

It is not a weakly prime, because it can be changed into another prime (52665322819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26332661429 + 26332661430.

It is an arithmetic number, because the mean of its divisors is an integer number (26332661430).

Almost surely, 2^52665322859 is an apocalyptic number.

52665322859 is a deficient number, since it is larger than the sum of its proper divisors (1).

52665322859 is an equidigital number, since it uses as much as digits as its factorization.

52665322859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776000, while the sum is 53.

The spelling of 52665322859 in words is "fifty-two billion, six hundred sixty-five million, three hundred twenty-two thousand, eight hundred fifty-nine".