50578851222 has 160 divisors (see below), whose sum is σ = 121122064800. Its totient is φ = 15746959872.

The previous prime is 50578851221. The next prime is 50578851233. The reversal of 50578851222 is 22215887505.

50578851222 is a `hidden beast` number, since 5 + 0 + 57 + 88 + 512 + 2 + 2 = 666.

50578851222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50578851221) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 22018378 + ... + 22020674.

It is an arithmetic number, because the mean of its divisors is an integer number (757012905).

Almost surely, 2^50578851222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50578851222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60561032400).

50578851222 is an abundant number, since it is smaller than the sum of its proper divisors (70543213578).

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

50578851222 is a wasteful number, since it uses less digits than its factorization.

50578851222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492 (or 2483 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 45.

The spelling of 50578851222 in words is "fifty billion, five hundred seventy-eight million, eight hundred fifty-one thousand, two hundred twenty-two".