52689531563 has 2 divisors, whose sum is σ = 52689531564. Its totient is φ = 52689531562.

The previous prime is 52689531551. The next prime is 52689531611. The reversal of 52689531563 is 36513598625.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52689531563 - 2¹⁰ = 52689530539 is a prime.

It is not a weakly prime, because it can be changed into another prime (52689530563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26344765781 + 26344765782.

It is an arithmetic number, because the mean of its divisors is an integer number (26344765782).

Almost surely, 2^52689531563 is an apocalyptic number.

52689531563 is a deficient number, since it is larger than the sum of its proper divisors (1).

52689531563 is an equidigital number, since it uses as much as digits as its factorization.

52689531563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832000, while the sum is 53.

The spelling of 52689531563 in words is "fifty-two billion, six hundred eighty-nine million, five hundred thirty-one thousand, five hundred sixty-three".