50849819 has 2 divisors, whose sum is σ = 50849820. Its totient is φ = 50849818.

The previous prime is 50849797. The next prime is 50849863. The reversal of 50849819 is 91894805.

50849819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (50849863) can be obtained adding 50849819 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50849819 - 2²⁰ = 49801243 is a prime.

It is a super-2 number, since 2×50849819² = 5171408184665522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50849819.

It is not a weakly prime, because it can be changed into another prime (50849899) 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, 25424909 + 25424910.

It is an arithmetic number, because the mean of its divisors is an integer number (25424910).

Almost surely, 2^50849819 is an apocalyptic number.

50849819 is a deficient number, since it is larger than the sum of its proper divisors (1).

50849819 is an equidigital number, since it uses as much as digits as its factorization.

50849819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 50849819 is about 7130.9059031795. The cubic root of 50849819 is about 370.4786087818.

The spelling of 50849819 in words is "fifty million, eight hundred forty-nine thousand, eight hundred nineteen".