50550005509 has 8 divisors (see below), whose sum is σ = 52184846592. Its totient is φ = 48915426720.

The previous prime is 50550005423. The next prime is 50550005573. The reversal of 50550005509 is 90550005505.

50550005509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-50550005509 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 (50550065509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372702 + ... + 489904.

It is an arithmetic number, because the mean of its divisors is an integer number (6523105824).

Almost surely, 2^50550005509 is an apocalyptic number.

It is an amenable number.

50550005509 is a deficient number, since it is larger than the sum of its proper divisors (1634841083).

50550005509 is a wasteful number, since it uses less digits than its factorization.

50550005509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131147.

The product of its (nonzero) digits is 28125, while the sum is 34.

The spelling of 50550005509 in words is "fifty billion, five hundred fifty million, five thousand, five hundred nine".