51006047 has 2 divisors, whose sum is σ = 51006048. Its totient is φ = 51006046.

The previous prime is 51006023. The next prime is 51006061. The reversal of 51006047 is 74060015.

51006047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51006047 - 2⁸ = 51005791 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 (51006547) 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 as a sum of consecutive naturals, namely, 25503023 + 25503024.

It is an arithmetic number, because the mean of its divisors is an integer number (25503024).

Almost surely, 2^51006047 is an apocalyptic number.

51006047 is a deficient number, since it is larger than the sum of its proper divisors (1).

51006047 is an equidigital number, since it uses as much as digits as its factorization.

51006047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 51006047 is about 7141.8517906773. The cubic root of 51006047 is about 370.8576331283.

The spelling of 51006047 in words is "fifty-one million, six thousand, forty-seven".