50000005509 has 16 divisors (see below), whose sum is σ = 71964028800. Its totient is φ = 30784609856.

The previous prime is 50000005507. The next prime is 50000005547. The reversal of 50000005509 is 90550000005.

It is a cyclic number.

It is not a de Polignac number, because 50000005509 - 2¹ = 50000005507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50000005507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12491754 + ... + 12495755.

It is an arithmetic number, because the mean of its divisors is an integer number (4497751800).

Almost surely, 2^50000005509 is an apocalyptic number.

It is an amenable number.

50000005509 is a deficient number, since it is larger than the sum of its proper divisors (21964023291).

50000005509 is a wasteful number, since it uses less digits than its factorization.

50000005509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24987564.

The product of its (nonzero) digits is 1125, while the sum is 24.

The spelling of 50000005509 in words is "fifty billion, five thousand, five hundred nine".