52517345563 has 4 divisors (see below), whose sum is σ = 52522529328. Its totient is φ = 52512161800.

The previous prime is 52517345539. The next prime is 52517345567. The reversal of 52517345563 is 36554371525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52517345563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52517345567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2576656 + ... + 2596957.

It is an arithmetic number, because the mean of its divisors is an integer number (13130632332).

Almost surely, 2^52517345563 is an apocalyptic number.

52517345563 is a deficient number, since it is larger than the sum of its proper divisors (5183765).

52517345563 is a wasteful number, since it uses less digits than its factorization.

52517345563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5183764.

The product of its digits is 1890000, while the sum is 46.

The spelling of 52517345563 in words is "fifty-two billion, five hundred seventeen million, three hundred forty-five thousand, five hundred sixty-three".