50505555055055 has 4 divisors (see below), whose sum is σ = 60606666066072. Its totient is φ = 40404444044040.

The previous prime is 50505555055031. The next prime is 50505555055057. The reversal of 50505555055055 is 55055055550505.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 50505555055055 - 2³⁸ = 50230677148111 is a prime.

It is a super-2 number, since 2×50505555055055² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50505555054994 and 50505555055012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50505555055057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050555505501 + ... + 5050555505510.

It is an arithmetic number, because the mean of its divisors is an integer number (15151666516518).

Almost surely, 2^{50505555055055} is an apocalyptic number.

50505555055055 is a deficient number, since it is larger than the sum of its proper divisors (10101111011017).

50505555055055 is a wasteful number, since it uses less digits than its factorization.

50505555055055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101111011016.

The product of its (nonzero) digits is 9765625, while the sum is 50.

The spelling of 50505555055055 in words is "fifty trillion, five hundred five billion, five hundred fifty-five million, fifty-five thousand, fifty-five".