52543666859 has 2 divisors, whose sum is σ = 52543666860. Its totient is φ = 52543666858.

The previous prime is 52543666843. The next prime is 52543666867. The reversal of 52543666859 is 95866634525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52543666859 - 2⁴ = 52543666843 is a prime.

It is a super-3 number, since 3×52543666859³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52543666798 and 52543666807.

It is not a weakly prime, because it can be changed into another prime (52543666829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26271833429 + 26271833430.

It is an arithmetic number, because the mean of its divisors is an integer number (26271833430).

Almost surely, 2^52543666859 is an apocalyptic number.

52543666859 is a deficient number, since it is larger than the sum of its proper divisors (1).

52543666859 is an equidigital number, since it uses as much as digits as its factorization.

52543666859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656000, while the sum is 59.

It can be divided in two parts, 52543666 and 859, that added together give a palindrome (52544525).

The spelling of 52543666859 in words is "fifty-two billion, five hundred forty-three million, six hundred sixty-six thousand, eight hundred fifty-nine".