50530009 has 4 divisors (see below), whose sum is σ = 50647680. Its totient is φ = 50412340.

The previous prime is 50529989. The next prime is 50530027. The reversal of 50530009 is 90003505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50530009 - 2⁹ = 50529497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50530079) 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 3 ways as a sum of consecutive naturals, for example, 58189 + ... + 59050.

It is an arithmetic number, because the mean of its divisors is an integer number (12661920).

Almost surely, 2^50530009 is an apocalyptic number.

It is an amenable number.

50530009 is a deficient number, since it is larger than the sum of its proper divisors (117671).

50530009 is a wasteful number, since it uses less digits than its factorization.

50530009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117670.

The product of its (nonzero) digits is 675, while the sum is 22.

The square root of 50530009 is about 7108.4463140689. The cubic root of 50530009 is about 369.7002905291.

The spelling of 50530009 in words is "fifty million, five hundred thirty thousand, nine".