50505550055 has 16 divisors (see below), whose sum is σ = 63805853280. Its totient is φ = 38272269312.

The previous prime is 50505550013. The next prime is 50505550133. The reversal of 50505550055 is 55005550505.

It is a cyclic number.

It is not a de Polignac number, because 50505550055 - 2²⁰ = 50504501479 is a prime.

It is a super-2 number, since 2×50505550055² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50505549997 and 50505550024.

It is a congruent 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, 680747 + ... + 751283.

It is an arithmetic number, because the mean of its divisors is an integer number (3987865830).

Almost surely, 2^50505550055 is an apocalyptic number.

50505550055 is a deficient number, since it is larger than the sum of its proper divisors (13300303225).

50505550055 is a wasteful number, since it uses less digits than its factorization.

50505550055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78098.

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 50505550055 in words is "fifty billion, five hundred five million, five hundred fifty thousand, fifty-five".