50555555066 has 16 divisors (see below), whose sum is σ = 76320269064. Its totient is φ = 25115651904.

The previous prime is 50555554963. The next prime is 50555555081. The reversal of 50555555066 is 66055555505.

It can be written as a sum of positive squares in 4 ways, for example, as 50528296225 + 27258841 = 224785^2 + 5221^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 50555555066.

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 7 ways as a sum of consecutive naturals, for example, 506816 + ... + 598308.

Almost surely, 2^50555555066 is an apocalyptic number.

50555555066 is a deficient number, since it is larger than the sum of its proper divisors (25764713998).

50555555066 is a wasteful number, since it uses less digits than its factorization.

50555555066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93265.

The product of its (nonzero) digits is 2812500, while the sum is 47.

The spelling of 50555555066 in words is "fifty billion, five hundred fifty-five million, five hundred fifty-five thousand, sixty-six".