50636665 has 8 divisors (see below), whose sum is σ = 60830280. Its totient is φ = 40465152.

The previous prime is 50636647. The next prime is 50636699. The reversal of 50636665 is 56663605.

It is a happy number.

50636665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 962361 + 49674304 = 981^2 + 7048^2 .

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 50636665 - 2⁹ = 50636153 is a prime.

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, 27 + ... + 10063.

It is an arithmetic number, because the mean of its divisors is an integer number (7603785).

Almost surely, 2^50636665 is an apocalyptic number.

It is an amenable number.

50636665 is a deficient number, since it is larger than the sum of its proper divisors (10193615).

50636665 is a wasteful number, since it uses less digits than its factorization.

50636665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11051.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 50636665 is about 7115.9444208060. The cubic root of 50636665 is about 369.9602221664.

The spelling of 50636665 in words is "fifty million, six hundred thirty-six thousand, six hundred sixty-five".