50818811 has 2 divisors, whose sum is σ = 50818812. Its totient is φ = 50818810.

The previous prime is 50818783. The next prime is 50818837. The reversal of 50818811 is 11881805.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50818811 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50818211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25409405 + 25409406.

It is an arithmetic number, because the mean of its divisors is an integer number (25409406).

Almost surely, 2^50818811 is an apocalyptic number.

50818811 is a deficient number, since it is larger than the sum of its proper divisors (1).

50818811 is an equidigital number, since it uses as much as digits as its factorization.

50818811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2560, while the sum is 32.

The square root of 50818811 is about 7128.7313738140. The cubic root of 50818811 is about 370.4032880512.

The spelling of 50818811 in words is "fifty million, eight hundred eighteen thousand, eight hundred eleven".