50550065155 has 16 divisors (see below), whose sum is σ = 66054535200. Its totient is φ = 36990535680.

The previous prime is 50550065119. The next prime is 50550065161. The reversal of 50550065155 is 55156005505.

It is a de Polignac number, because none of the positive numbers 2^k-50550065155 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9171486 + ... + 9176995.

It is an arithmetic number, because the mean of its divisors is an integer number (4128408450).

Almost surely, 2^50550065155 is an apocalyptic number.

50550065155 is a deficient number, since it is larger than the sum of its proper divisors (15504470045).

50550065155 is a wasteful number, since it uses less digits than its factorization.

50550065155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18348534.

The product of its (nonzero) digits is 93750, while the sum is 37.

The spelling of 50550065155 in words is "fifty billion, five hundred fifty million, sixty-five thousand, one hundred fifty-five".