51518063 has 16 divisors (see below), whose sum is σ = 57200640. Its totient is φ = 46202400.

The previous prime is 51518053. The next prime is 51518081. The reversal of 51518063 is 36081515.

51518063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-51518063 is a prime.

It is a super-2 number, since 2×51518063² = 5308221630543938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51518053) 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, 26753 + ... + 28613.

It is an arithmetic number, because the mean of its divisors is an integer number (3575040).

Almost surely, 2^51518063 is an apocalyptic number.

51518063 is a deficient number, since it is larger than the sum of its proper divisors (5682577).

51518063 is a wasteful number, since it uses less digits than its factorization.

51518063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 51518063 is about 7177.6084457150. The cubic root of 51518063 is about 372.0944354035.

Adding to 51518063 its reverse (36081515), we get a palindrome (87599578).

The spelling of 51518063 in words is "fifty-one million, five hundred eighteen thousand, sixty-three".