50505555011 has 4 divisors (see below), whose sum is σ = 50506009224. Its totient is φ = 50505100800.

The previous prime is 50505555007. The next prime is 50505555047. The reversal of 50505555011 is 11055550505.

50505555011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 50505555011 - 2² = 50505555007 is a prime.

It is a super-2 number, since 2×50505555011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50505555211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64451 + ... + 324291.

It is an arithmetic number, because the mean of its divisors is an integer number (12626502306).

Almost surely, 2^50505555011 is an apocalyptic number.

50505555011 is a deficient number, since it is larger than the sum of its proper divisors (454213).

50505555011 is a wasteful number, since it uses less digits than its factorization.

50505555011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454212.

The product of its (nonzero) digits is 15625, while the sum is 32.

The spelling of 50505555011 in words is "fifty billion, five hundred five million, five hundred fifty-five thousand, eleven".