50491843 has 2 divisors, whose sum is σ = 50491844. Its totient is φ = 50491842.

The previous prime is 50491841. The next prime is 50491849. The reversal of 50491843 is 34819405.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50491843 - 2¹ = 50491841 is a prime.

Together with 50491841, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 50491799 and 50491808.

It is not a weakly prime, because it can be changed into another prime (50491841) 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, 25245921 + 25245922.

It is an arithmetic number, because the mean of its divisors is an integer number (25245922).

Almost surely, 2^50491843 is an apocalyptic number.

50491843 is a deficient number, since it is larger than the sum of its proper divisors (1).

50491843 is an equidigital number, since it uses as much as digits as its factorization.

50491843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 50491843 is about 7105.7612540811. The cubic root of 50491843 is about 369.6071872060.

The spelling of 50491843 in words is "fifty million, four hundred ninety-one thousand, eight hundred forty-three".