50055520217 has 4 divisors (see below), whose sum is σ = 50760527616. Its totient is φ = 49350512820.

The previous prime is 50055520213. The next prime is 50055520219. The reversal of 50055520217 is 71202555005.

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 50055520217 - 2² = 50055520213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50055520213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352503593 + ... + 352503734.

It is an arithmetic number, because the mean of its divisors is an integer number (12690131904).

Almost surely, 2^50055520217 is an apocalyptic number.

It is an amenable number.

50055520217 is a deficient number, since it is larger than the sum of its proper divisors (705007399).

50055520217 is an equidigital number, since it uses as much as digits as its factorization.

50055520217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705007398.

The product of its (nonzero) digits is 17500, while the sum is 32.

The spelling of 50055520217 in words is "fifty billion, fifty-five million, five hundred twenty thousand, two hundred seventeen".