50021157066 has 32 divisors (see below), whose sum is σ = 100311581760. Its totient is φ = 16628903424.

The previous prime is 50021157029. The next prime is 50021157071. The reversal of 50021157066 is 66075112005.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 3558540 + ... + 3572568.

It is an arithmetic number, because the mean of its divisors is an integer number (3134736930).

Almost surely, 2^50021157066 is an apocalyptic number.

50021157066 is an abundant number, since it is smaller than the sum of its proper divisors (50290424694).

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

50021157066 is a wasteful number, since it uses less digits than its factorization.

50021157066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15590.

The product of its (nonzero) digits is 12600, while the sum is 33.

The spelling of 50021157066 in words is "fifty billion, twenty-one million, one hundred fifty-seven thousand, sixty-six".