50321217220 has 24 divisors (see below), whose sum is σ = 105771285144. Its totient is φ = 20110062336.

The previous prime is 50321217203. The next prime is 50321217241. The reversal of 50321217220 is 2271212305.

It can be written as a sum of positive squares in 4 ways, for example, as 35923137156 + 14398080064 = 189534^2 + 119992^2 .

It is an unprimeable number.

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, 1129129 + ... + 1172848.

It is an arithmetic number, because the mean of its divisors is an integer number (4407136881).

Almost surely, 2^50321217220 is an apocalyptic number.

It is an amenable number.

50321217220 is an abundant number, since it is smaller than the sum of its proper divisors (55450067924).

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

50321217220 is a wasteful number, since it uses less digits than its factorization.

50321217220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303079 (or 2303077 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

Adding to 50321217220 its reverse (2271212305), we get a palindrome (52592429525).

The spelling of 50321217220 in words is "fifty billion, three hundred twenty-one million, two hundred seventeen thousand, two hundred twenty".