50807909 has 8 divisors (see below), whose sum is σ = 52444320. Its totient is φ = 49197456.

The previous prime is 50807873. The next prime is 50807923. The reversal of 50807909 is 90970805.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50807909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50807959) 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, 2474 + ... + 10379.

It is an arithmetic number, because the mean of its divisors is an integer number (6555540).

Almost surely, 2^50807909 is an apocalyptic number.

50807909 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

50807909 is a deficient number, since it is larger than the sum of its proper divisors (1636411).

50807909 is a wasteful number, since it uses less digits than its factorization.

50807909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12979.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 50807909 is about 7127.9666806180. The cubic root of 50807909 is about 370.3767990053.

The spelling of 50807909 in words is "fifty million, eight hundred seven thousand, nine hundred nine".