50947111 has 2 divisors, whose sum is σ = 50947112. Its totient is φ = 50947110.

The previous prime is 50947109. The next prime is 50947121. The reversal of 50947111 is 11174905.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50947111 - 2¹ = 50947109 is a prime.

Together with 50947109, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 50947111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50947121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25473555 + 25473556.

It is an arithmetic number, because the mean of its divisors is an integer number (25473556).

Almost surely, 2^50947111 is an apocalyptic number.

50947111 is a deficient number, since it is larger than the sum of its proper divisors (1).

50947111 is an equidigital number, since it uses as much as digits as its factorization.

50947111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 50947111 is about 7137.7244973451. The cubic root of 50947111 is about 370.7147396841.

The spelling of 50947111 in words is "fifty million, nine hundred forty-seven thousand, one hundred eleven".