50565566 has 8 divisors (see below), whose sum is σ = 76233960. Its totient is φ = 25154248.

The previous prime is 50565553. The next prime is 50565577. The reversal of 50565566 is 66556505.

It is a happy number.

50565566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 63776 + ... + 64563.

It is an arithmetic number, because the mean of its divisors is an integer number (9529245).

Almost surely, 2^50565566 is an apocalyptic number.

50565566 is a deficient number, since it is larger than the sum of its proper divisors (25668394).

50565566 is a wasteful number, since it uses less digits than its factorization.

50565566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128538.

The product of its (nonzero) digits is 135000, while the sum is 38.

The square root of 50565566 is about 7110.9469130349. The cubic root of 50565566 is about 369.7869872024.

The spelling of 50565566 in words is "fifty million, five hundred sixty-five thousand, five hundred sixty-six".