51050563 has 2 divisors, whose sum is σ = 51050564. Its totient is φ = 51050562.

The previous prime is 51050557. The next prime is 51050567. The reversal of 51050563 is 36505015.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51050563 is a prime.

It is not a weakly prime, because it can be changed into another prime (51050567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25525281 + 25525282.

It is an arithmetic number, because the mean of its divisors is an integer number (25525282).

Almost surely, 2^51050563 is an apocalyptic number.

51050563 is a deficient number, since it is larger than the sum of its proper divisors (1).

51050563 is an equidigital number, since it uses as much as digits as its factorization.

51050563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 51050563 is about 7144.9676696259. The cubic root of 51050563 is about 370.9654915678.

Adding to 51050563 its reverse (36505015), we get a palindrome (87555578).

The spelling of 51050563 in words is "fifty-one million, fifty thousand, five hundred sixty-three".