50605813 has 2 divisors, whose sum is σ = 50605814. Its totient is φ = 50605812.

The previous prime is 50605811. The next prime is 50605829. The reversal of 50605813 is 31850605.

50605813 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 can be written as a sum of positive squares in only one way, i.e., 38229489 + 12376324 = 6183^2 + 3518^2 .

It is a cyclic number.

It is not a de Polignac number, because 50605813 - 2¹ = 50605811 is a prime.

Together with 50605811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50605811) 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, 25302906 + 25302907.

It is an arithmetic number, because the mean of its divisors is an integer number (25302907).

Almost surely, 2^50605813 is an apocalyptic number.

It is an amenable number.

50605813 is a deficient number, since it is larger than the sum of its proper divisors (1).

50605813 is an equidigital number, since it uses as much as digits as its factorization.

50605813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 50605813 is about 7113.7762826786. The cubic root of 50605813 is about 369.8850702208.

The spelling of 50605813 in words is "fifty million, six hundred five thousand, eight hundred thirteen".