50648861 has 2 divisors, whose sum is σ = 50648862. Its totient is φ = 50648860.

The previous prime is 50648821. The next prime is 50648879. The reversal of 50648861 is 16884605.

50648861 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 can be written as a sum of positive squares in only one way, i.e., 40883236 + 9765625 = 6394^2 + 3125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50648861 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 (50648821) 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, 25324430 + 25324431.

It is an arithmetic number, because the mean of its divisors is an integer number (25324431).

Almost surely, 2^50648861 is an apocalyptic number.

It is an amenable number.

50648861 is a deficient number, since it is larger than the sum of its proper divisors (1).

50648861 is an equidigital number, since it uses as much as digits as its factorization.

50648861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 50648861 is about 7116.8013180080. The cubic root of 50648861 is about 369.9899218097.

The spelling of 50648861 in words is "fifty million, six hundred forty-eight thousand, eight hundred sixty-one".