51563363 has 16 divisors (see below), whose sum is σ = 57879360. Its totient is φ = 45696000.

The previous prime is 51563339. The next prime is 51563377. The reversal of 51563363 is 36336515.

51563363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51563363 - 2⁶ = 51563299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51563383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18938 + ... + 21488.

It is an arithmetic number, because the mean of its divisors is an integer number (3617460).

Almost surely, 2^51563363 is an apocalyptic number.

51563363 is a deficient number, since it is larger than the sum of its proper divisors (6315997).

51563363 is a wasteful number, since it uses less digits than its factorization.

51563363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638.

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

The square root of 51563363 is about 7180.7633995279. The cubic root of 51563363 is about 372.2034647347.

Adding to 51563363 its reverse (36336515), we get a palindrome (87899878).

The spelling of 51563363 in words is "fifty-one million, five hundred sixty-three thousand, three hundred sixty-three".