50804021 has 2 divisors, whose sum is σ = 50804022. Its totient is φ = 50804020.

The previous prime is 50804011. The next prime is 50804057. The reversal of 50804021 is 12040805.

50804021 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., 41280625 + 9523396 = 6425^2 + 3086^2 .

It is a cyclic number.

It is not a de Polignac number, because 50804021 - 2¹⁴ = 50787637 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 50803984 and 50804002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50804011) 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, 25402010 + 25402011.

It is an arithmetic number, because the mean of its divisors is an integer number (25402011).

Almost surely, 2^50804021 is an apocalyptic number.

It is an amenable number.

50804021 is a deficient number, since it is larger than the sum of its proper divisors (1).

50804021 is an equidigital number, since it uses as much as digits as its factorization.

50804021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 50804021 is about 7127.6939468527. The cubic root of 50804021 is about 370.3673512523.

Adding to 50804021 its reverse (12040805), we get a palindrome (62844826).

The spelling of 50804021 in words is "fifty million, eight hundred four thousand, twenty-one".