50221716120 has 128 divisors (see below), whose sum is σ = 167508561600. Its totient is φ = 13384230912.

The previous prime is 50221716091. The next prime is 50221716121. The reversal of 50221716120 is 2161712205.

50221716120 is a `hidden beast` number, since 502 + 21 + 7 + 16 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50221716121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1858224 + ... + 1885056.

Almost surely, 2^50221716120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50221716120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83754280800).

50221716120 is an abundant number, since it is smaller than the sum of its proper divisors (117286845480).

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

50221716120 is a wasteful number, since it uses less digits than its factorization.

50221716120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28586 (or 28576 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The spelling of 50221716120 in words is "fifty billion, two hundred twenty-one million, seven hundred sixteen thousand, one hundred twenty".