50756665 has 4 divisors (see below), whose sum is σ = 60908004. Its totient is φ = 40605328.

The previous prime is 50756659. The next prime is 50756689. The reversal of 50756665 is 56665705.

50756665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16088121 + 34668544 = 4011^2 + 5888^2 .

It is a cyclic number.

It is not a de Polignac number, because 50756665 - 2¹⁷ = 50625593 is a prime.

It is a Duffinian 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, 5075662 + ... + 5075671.

It is an arithmetic number, because the mean of its divisors is an integer number (15227001).

Almost surely, 2^50756665 is an apocalyptic number.

It is an amenable number.

50756665 is a deficient number, since it is larger than the sum of its proper divisors (10151339).

50756665 is a wasteful number, since it uses less digits than its factorization.

50756665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10151338.

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 50756665 is about 7124.3712003236. The cubic root of 50756665 is about 370.2522385221.

The spelling of 50756665 in words is "fifty million, seven hundred fifty-six thousand, six hundred sixty-five".