50221929528 has 128 divisors (see below), whose sum is σ = 143260876800. Its totient is φ = 16294981248.

The previous prime is 50221929521. The next prime is 50221929553. The reversal of 50221929528 is 82592912205.

It is a happy number.

50221929528 is a `hidden beast` number, since 502 + 2 + 1 + 92 + 9 + 52 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50221929521) 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 31 ways as a sum of consecutive naturals, for example, 1436625 + ... + 1471167.

It is an arithmetic number, because the mean of its divisors is an integer number (1119225600).

Almost surely, 2^50221929528 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 50221929528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71630438400).

50221929528 is an abundant number, since it is smaller than the sum of its proper divisors (93038947272).

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

50221929528 is a wasteful number, since it uses less digits than its factorization.

50221929528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34738 (or 34728 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 50221929528 in words is "fifty billion, two hundred twenty-one million, nine hundred twenty-nine thousand, five hundred twenty-eight".