52685511289 has 2 divisors, whose sum is σ = 52685511290. Its totient is φ = 52685511288.

The previous prime is 52685511233. The next prime is 52685511317. The reversal of 52685511289 is 98211558625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31936549264 + 20748962025 = 178708^2 + 144045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52685511289 is a prime.

It is not a weakly prime, because it can be changed into another prime (52685511689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26342755644 + 26342755645.

It is an arithmetic number, because the mean of its divisors is an integer number (26342755645).

Almost surely, 2^52685511289 is an apocalyptic number.

It is an amenable number.

52685511289 is a deficient number, since it is larger than the sum of its proper divisors (1).

52685511289 is an equidigital number, since it uses as much as digits as its factorization.

52685511289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728000, while the sum is 52.

The spelling of 52685511289 in words is "fifty-two billion, six hundred eighty-five million, five hundred eleven thousand, two hundred eighty-nine".