50666609 has 8 divisors (see below), whose sum is σ = 58137408. Its totient is φ = 43254000.

The previous prime is 50666593. The next prime is 50666633. The reversal of 50666609 is 90666605.

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 50666609 - 2⁴ = 50666593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50666669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12662 + ... + 16175.

It is an arithmetic number, because the mean of its divisors is an integer number (7267176).

Almost surely, 2^50666609 is an apocalyptic number.

It is an amenable number.

50666609 is a deficient number, since it is larger than the sum of its proper divisors (7470799).

50666609 is a wasteful number, since it uses less digits than its factorization.

50666609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29095.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 50666609 is about 7118.0481172861. The cubic root of 50666609 is about 370.0331331420.

The spelling of 50666609 in words is "fifty million, six hundred sixty-six thousand, six hundred nine".