51050000063 has 2 divisors, whose sum is σ = 51050000064. Its totient is φ = 51050000062.

The previous prime is 51050000059. The next prime is 51050000069. The reversal of 51050000063 is 36000005015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51050000063 - 2² = 51050000059 is a prime.

It is a super-2 number, since 2×51050000063² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51050000069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25525000031 + 25525000032.

It is an arithmetic number, because the mean of its divisors is an integer number (25525000032).

Almost surely, 2^51050000063 is an apocalyptic number.

51050000063 is a deficient number, since it is larger than the sum of its proper divisors (1).

51050000063 is an equidigital number, since it uses as much as digits as its factorization.

51050000063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 20.

Adding to 51050000063 its reverse (36000005015), we get a palindrome (87050005078).

The spelling of 51050000063 in words is "fifty-one billion, fifty million, sixty-three", and thus it is an aban number and an uban number.