50766132217 has 4 divisors (see below), whose sum is σ = 50793180516. Its totient is φ = 50739083920.

The previous prime is 50766132211. The next prime is 50766132233. The reversal of 50766132217 is 71223166705.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13275878841 + 37490253376 = 115221^2 + 193624^2 .

It is a cyclic number.

It is not a de Polignac number, because 50766132217 - 2¹¹ = 50766130169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50766132217.

It is not an unprimeable number, because it can be changed into a prime (50766132211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13521334 + ... + 13525087.

It is an arithmetic number, because the mean of its divisors is an integer number (12698295129).

Almost surely, 2^50766132217 is an apocalyptic number.

It is an amenable number.

50766132217 is a deficient number, since it is larger than the sum of its proper divisors (27048299).

50766132217 is a wasteful number, since it uses less digits than its factorization.

50766132217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27048298.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 50766132217 in words is "fifty billion, seven hundred sixty-six million, one hundred thirty-two thousand, two hundred seventeen".