52506822513647 has 2 divisors, whose sum is σ = 52506822513648. Its totient is φ = 52506822513646.

The previous prime is 52506822513643. The next prime is 52506822513703. The reversal of 52506822513647 is 74631522860525.

52506822513647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (52506822513703) can be obtained adding 52506822513647 to its sum of digits (56).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52506822513647 - 2² = 52506822513643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52506822513592 and 52506822513601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52506822513643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26253411256823 + 26253411256824.

It is an arithmetic number, because the mean of its divisors is an integer number (26253411256824).

Almost surely, 2^{52506822513647} is an apocalyptic number.

52506822513647 is a deficient number, since it is larger than the sum of its proper divisors (1).

52506822513647 is an equidigital number, since it uses as much as digits as its factorization.

52506822513647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192000, while the sum is 56.

The spelling of 52506822513647 in words is "fifty-two trillion, five hundred six billion, eight hundred twenty-two million, five hundred thirteen thousand, six hundred forty-seven".