50315232220 has 48 divisors (see below), whose sum is σ = 115675072128. Its totient is φ = 18231773760.

The previous prime is 50315232179. The next prime is 50315232221. The reversal of 50315232220 is 2223251305.

It is a super-2 number, since 2×50315232220² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50315232221) 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 15 ways as a sum of consecutive naturals, for example, 341814 + ... + 466333.

It is an arithmetic number, because the mean of its divisors is an integer number (2409897336).

Almost surely, 2^50315232220 is an apocalyptic number.

It is an amenable number.

50315232220 is an abundant number, since it is smaller than the sum of its proper divisors (65359839908).

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

50315232220 is a wasteful number, since it uses less digits than its factorization.

50315232220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808450 (or 808448 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 50315232220 its reverse (2223251305), we get a palindrome (52538483525).

The spelling of 50315232220 in words is "fifty billion, three hundred fifteen million, two hundred thirty-two thousand, two hundred twenty".