50565640122 has 36 divisors (see below), whose sum is σ = 113766939546. Its totient is φ = 16855209000.

The previous prime is 50565640109. The next prime is 50565640159. The reversal of 50565640122 is 22104656505.

50565640122 is a `hidden beast` number, since 5 + 0 + 5 + 6 + 5 + 640 + 1 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 50378251401 + 187388721 = 224451^2 + 13689^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1913629 + ... + 1939872.

Almost surely, 2^50565640122 is an apocalyptic number.

50565640122 is an abundant number, since it is smaller than the sum of its proper divisors (63201299424).

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

50565640122 is an frugal number, since it uses more digits than its factorization.

50565640122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853527 (or 3853506 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 50565640122 in words is "fifty billion, five hundred sixty-five million, six hundred forty thousand, one hundred twenty-two".