52528859909 has 2 divisors, whose sum is σ = 52528859910. Its totient is φ = 52528859908.

The previous prime is 52528859897. The next prime is 52528859917. The reversal of 52528859909 is 90995882525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36270059809 + 16258800100 = 190447^2 + 127510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52528859909 is a prime.

It is a super-2 number, since 2×52528859909² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52528859969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26264429954 + 26264429955.

It is an arithmetic number, because the mean of its divisors is an integer number (26264429955).

Almost surely, 2^52528859909 is an apocalyptic number.

It is an amenable number.

52528859909 is a deficient number, since it is larger than the sum of its proper divisors (1).

52528859909 is an equidigital number, since it uses as much as digits as its factorization.

52528859909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328000, while the sum is 62.

The spelling of 52528859909 in words is "fifty-two billion, five hundred twenty-eight million, eight hundred fifty-nine thousand, nine hundred nine".