50566387 has 2 divisors, whose sum is σ = 50566388. Its totient is φ = 50566386.

The previous prime is 50566367. The next prime is 50566421. The reversal of 50566387 is 78366505.

50566387 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 a de Polignac number, because none of the positive numbers 2^k-50566387 is a prime.

It is not a weakly prime, because it can be changed into another prime (50566367) 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, 25283193 + 25283194.

It is an arithmetic number, because the mean of its divisors is an integer number (25283194).

Almost surely, 2^50566387 is an apocalyptic number.

50566387 is a deficient number, since it is larger than the sum of its proper divisors (1).

50566387 is an equidigital number, since it uses as much as digits as its factorization.

50566387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 50566387 is about 7111.0046406960. The cubic root of 50566387 is about 369.7889885213.

The spelling of 50566387 in words is "fifty million, five hundred sixty-six thousand, three hundred eighty-seven".