50521487 has 2 divisors, whose sum is σ = 50521488. Its totient is φ = 50521486.

The previous prime is 50521483. The next prime is 50521529. The reversal of 50521487 is 78412505.

50521487 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 is a cyclic number.

It is not a de Polignac number, because 50521487 - 2² = 50521483 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50521483) 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, 25260743 + 25260744.

It is an arithmetic number, because the mean of its divisors is an integer number (25260744).

Almost surely, 2^50521487 is an apocalyptic number.

50521487 is a deficient number, since it is larger than the sum of its proper divisors (1).

50521487 is an equidigital number, since it uses as much as digits as its factorization.

50521487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 50521487 is about 7107.8468610403. The cubic root of 50521487 is about 369.6795057647.

The spelling of 50521487 in words is "fifty million, five hundred twenty-one thousand, four hundred eighty-seven".