52320563 has 8 divisors (see below), whose sum is σ = 52929408. Its totient is φ = 51715584.

The previous prime is 52320557. The next prime is 52320589. The reversal of 52320563 is 36502325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52320563 - 2¹⁰ = 52319539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52320503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32606 + ... + 34172.

It is an arithmetic number, because the mean of its divisors is an integer number (6616176).

Almost surely, 2^52320563 is an apocalyptic number.

52320563 is a deficient number, since it is larger than the sum of its proper divisors (608845).

52320563 is a wasteful number, since it uses less digits than its factorization.

52320563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 52320563 is about 7233.2954453693. The cubic root of 52320563 is about 374.0165353437.

Adding to 52320563 its reverse (36502325), we get a palindrome (88822888).

The spelling of 52320563 in words is "fifty-two million, three hundred twenty thousand, five hundred sixty-three".