51807063 has 64 divisors (see below), whose sum is σ = 92160000. Its totient is φ = 25613280.

The previous prime is 51807059. The next prime is 51807073. The reversal of 51807063 is 36070815.

51807063 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 51807063 - 2² = 51807059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51807063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51807073) 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 63 ways as a sum of consecutive naturals, for example, 260238 + ... + 260436.

It is an arithmetic number, because the mean of its divisors is an integer number (1440000).

Almost surely, 2^51807063 is an apocalyptic number.

51807063 is a deficient number, since it is larger than the sum of its proper divisors (40352937).

51807063 is a wasteful number, since it uses less digits than its factorization.

51807063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 51807063 is about 7197.7123449052. The cubic root of 51807063 is about 372.7889156840.

Adding to 51807063 its reverse (36070815), we get a palindrome (87877878).

The spelling of 51807063 in words is "fifty-one million, eight hundred seven thousand, sixty-three".