52565597563 has 4 divisors (see below), whose sum is σ = 52751342008. Its totient is φ = 52379853120.

The previous prime is 52565597533. The next prime is 52565597573. The reversal of 52565597563 is 36579556525.

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

It is a cyclic number.

It is not a de Polignac number, because 52565597563 - 2²⁵ = 52532043131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52565597498 and 52565597507.

It is not an unprimeable number, because it can be changed into a prime (52565597533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92871798 + ... + 92872363.

It is an arithmetic number, because the mean of its divisors is an integer number (13187835502).

Almost surely, 2^52565597563 is an apocalyptic number.

52565597563 is a deficient number, since it is larger than the sum of its proper divisors (185744445).

52565597563 is a wasteful number, since it uses less digits than its factorization.

52565597563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185744444.

The product of its digits is 42525000, while the sum is 58.

The spelling of 52565597563 in words is "fifty-two billion, five hundred sixty-five million, five hundred ninety-seven thousand, five hundred sixty-three".