50656565 has 8 divisors (see below), whose sum is σ = 63987360. Its totient is φ = 38392272.

The previous prime is 50656547. The next prime is 50656577. The reversal of 50656565 is 56565605.

It is a happy number.

50656565 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 cyclic number.

It is not a de Polignac number, because 50656565 - 2²² = 46462261 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 266519 + ... + 266708.

It is an arithmetic number, because the mean of its divisors is an integer number (7998420).

Almost surely, 2^50656565 is an apocalyptic number.

It is an amenable number.

50656565 is a deficient number, since it is larger than the sum of its proper divisors (13330795).

50656565 is a wasteful number, since it uses less digits than its factorization.

50656565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533251.

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

The square root of 50656565 is about 7117.3425518237. The cubic root of 50656565 is about 370.0086800983.

The spelling of 50656565 in words is "fifty million, six hundred fifty-six thousand, five hundred sixty-five".