50442564066 has 32 divisors (see below), whose sum is σ = 104225107968. Its totient is φ = 16258416720.

The previous prime is 50442564047. The next prime is 50442564083. The reversal of 50442564066 is 66046524405.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116605 + ... + 338351.

It is an arithmetic number, because the mean of its divisors is an integer number (3257034624).

Almost surely, 2^50442564066 is an apocalyptic number.

50442564066 is an abundant number, since it is smaller than the sum of its proper divisors (53782543902).

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

50442564066 is a wasteful number, since it uses less digits than its factorization.

50442564066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223006.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 50442564066 in words is "fifty billion, four hundred forty-two million, five hundred sixty-four thousand, sixty-six".