50689566 has 12 divisors (see below), whose sum is σ = 109827432. Its totient is φ = 16896516.

The previous prime is 50689559. The next prime is 50689591. The reversal of 50689566 is 66598605.

50689566 is a `hidden beast` number, since 5 + 0 + 6 + 89 + 566 = 666.

50689566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 1408026 + ... + 1408061.

It is an arithmetic number, because the mean of its divisors is an integer number (9152286).

Almost surely, 2^50689566 is an apocalyptic number.

50689566 is an abundant number, since it is smaller than the sum of its proper divisors (59137866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50689566 is a wasteful number, since it uses less digits than its factorization.

50689566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816095 (or 2816092 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 50689566 is about 7119.6605256150. The cubic root of 50689566 is about 370.0890119421.

The spelling of 50689566 in words is "fifty million, six hundred eighty-nine thousand, five hundred sixty-six".