53316563 has 2 divisors, whose sum is σ = 53316564. Its totient is φ = 53316562.

The previous prime is 53316533. The next prime is 53316577. The reversal of 53316563 is 36561335.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53316563 - 2²⁰ = 52267987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (53316533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26658281 + 26658282.

It is an arithmetic number, because the mean of its divisors is an integer number (26658282).

Almost surely, 2^53316563 is an apocalyptic number.

53316563 is a deficient number, since it is larger than the sum of its proper divisors (1).

53316563 is an equidigital number, since it uses as much as digits as its factorization.

53316563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300, while the sum is 32.

The square root of 53316563 is about 7301.8191568951. The cubic root of 53316563 is about 376.3749536967.

Adding to 53316563 its reverse (36561335), we get a palindrome (89877898).

The spelling of 53316563 in words is "fifty-three million, three hundred sixteen thousand, five hundred sixty-three".