52563361 has 4 divisors (see below), whose sum is σ = 53228800. Its totient is φ = 51897924.

The previous prime is 52563323. The next prime is 52563373. The reversal of 52563361 is 16336525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52563361 - 2¹³ = 52555169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52563461) 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, 332601 + ... + 332758.

It is an arithmetic number, because the mean of its divisors is an integer number (13307200).

Almost surely, 2^52563361 is an apocalyptic number.

It is an amenable number.

52563361 is a deficient number, since it is larger than the sum of its proper divisors (665439).

52563361 is an equidigital number, since it uses as much as digits as its factorization.

52563361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665438.

The product of its digits is 16200, while the sum is 31.

The square root of 52563361 is about 7250.0593790672. The cubic root of 52563361 is about 374.5941944983.

Adding to 52563361 its reverse (16336525), we get a palindrome (68899886).

The spelling of 52563361 in words is "fifty-two million, five hundred sixty-three thousand, three hundred sixty-one".