50838521 has 2 divisors, whose sum is σ = 50838522. Its totient is φ = 50838520.

The previous prime is 50838497. The next prime is 50838553. The reversal of 50838521 is 12583805.

It is a happy number.

It is an a-pointer prime, because the next prime (50838553) can be obtained adding 50838521 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50623225 + 215296 = 7115^2 + 464^2 .

It is a cyclic number.

It is not a de Polignac number, because 50838521 - 2⁶ = 50838457 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50838121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25419260 + 25419261.

It is an arithmetic number, because the mean of its divisors is an integer number (25419261).

Almost surely, 2^50838521 is an apocalyptic number.

It is an amenable number.

50838521 is a deficient number, since it is larger than the sum of its proper divisors (1).

50838521 is an equidigital number, since it uses as much as digits as its factorization.

50838521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 50838521 is about 7130.1136737082. The cubic root of 50838521 is about 370.4511686491.

The spelling of 50838521 in words is "fifty million, eight hundred thirty-eight thousand, five hundred twenty-one".