50211167720 has 32 divisors (see below), whose sum is σ = 129114432000. Its totient is φ = 17215257408.

The previous prime is 50211167693. The next prime is 50211167723. The reversal of 50211167720 is 2776111205.

It is a super-2 number, since 2×50211167720² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50211167723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89662520 + ... + 89663079.

It is an arithmetic number, because the mean of its divisors is an integer number (4034826000).

Almost surely, 2^50211167720 is an apocalyptic number.

It is an amenable number.

50211167720 is an abundant number, since it is smaller than the sum of its proper divisors (78903264280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50211167720 is a wasteful number, since it uses less digits than its factorization.

50211167720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179325617 (or 179325613 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 32.

Adding to 50211167720 its reverse (2776111205), we get a palindrome (52987278925).

The spelling of 50211167720 in words is "fifty billion, two hundred eleven million, one hundred sixty-seven thousand, seven hundred twenty".