50564220271 has 4 divisors (see below), whose sum is σ = 50622812352. Its totient is φ = 50505628192.

The previous prime is 50564220227. The next prime is 50564220337. The reversal of 50564220271 is 17202246505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50564220271 - 2¹³ = 50564212079 is a prime.

It is a super-2 number, since 2×50564220271² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50564220071) 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, 29294746 + ... + 29296471.

It is an arithmetic number, because the mean of its divisors is an integer number (12655703088).

Almost surely, 2^50564220271 is an apocalyptic number.

50564220271 is a deficient number, since it is larger than the sum of its proper divisors (58592081).

50564220271 is an equidigital number, since it uses as much as digits as its factorization.

50564220271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58592080.

The product of its (nonzero) digits is 33600, while the sum is 34.

Adding to 50564220271 its reverse (17202246505), we get a palindrome (67766466776).

The spelling of 50564220271 in words is "fifty billion, five hundred sixty-four million, two hundred twenty thousand, two hundred seventy-one".