50840521 has 2 divisors, whose sum is σ = 50840522. Its totient is φ = 50840520.

The previous prime is 50840507. The next prime is 50840551. The reversal of 50840521 is 12504805.

50840521 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., 42055225 + 8785296 = 6485^2 + 2964^2 .

It is a cyclic number.

It is not a de Polignac number, because 50840521 - 2¹⁵ = 50807753 is a prime.

It is not a weakly prime, because it can be changed into another prime (50840551) 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, 25420260 + 25420261.

It is an arithmetic number, because the mean of its divisors is an integer number (25420261).

Almost surely, 2^50840521 is an apocalyptic number.

It is an amenable number.

50840521 is a deficient number, since it is larger than the sum of its proper divisors (1).

50840521 is an equidigital number, since it uses as much as digits as its factorization.

50840521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 50840521 is about 7130.2539225472. The cubic root of 50840521 is about 370.4560264656.

The spelling of 50840521 in words is "fifty million, eight hundred forty thousand, five hundred twenty-one".