51050807 has 2 divisors, whose sum is σ = 51050808. Its totient is φ = 51050806.

The previous prime is 51050773. The next prime is 51050833. The reversal of 51050807 is 70805015.

It is an a-pointer prime, because the next prime (51050833) can be obtained adding 51050807 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51050807 - 2¹⁸ = 50788663 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51050897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25525403 + 25525404.

It is an arithmetic number, because the mean of its divisors is an integer number (25525404).

Almost surely, 2^51050807 is an apocalyptic number.

51050807 is a deficient number, since it is larger than the sum of its proper divisors (1).

51050807 is an equidigital number, since it uses as much as digits as its factorization.

51050807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 51050807 is about 7144.9847445603. The cubic root of 51050807 is about 370.9660825860.

The spelling of 51050807 in words is "fifty-one million, fifty thousand, eight hundred seven".