51422047 has 2 divisors, whose sum is σ = 51422048. Its totient is φ = 51422046.

The previous prime is 51422011. The next prime is 51422117. The reversal of 51422047 is 74022415.

51422047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51422047 - 2¹¹ = 51419999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51422447) 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, 25711023 + 25711024.

It is an arithmetic number, because the mean of its divisors is an integer number (25711024).

Almost surely, 2^51422047 is an apocalyptic number.

51422047 is a deficient number, since it is larger than the sum of its proper divisors (1).

51422047 is an equidigital number, since it uses as much as digits as its factorization.

51422047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 51422047 is about 7170.9167475296. The cubic root of 51422047 is about 371.8631298803.

The spelling of 51422047 in words is "fifty-one million, four hundred twenty-two thousand, forty-seven".