50511505055 has 12 divisors (see below), whose sum is σ = 66625093416. Its totient is φ = 36735639600.

The previous prime is 50511505043. The next prime is 50511505091. The reversal of 50511505055 is 55050511505.

It is not a de Polignac number, because 50511505055 - 2¹⁶ = 50511439519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41744441 + ... + 41745650.

It is an arithmetic number, because the mean of its divisors is an integer number (5552091118).

Almost surely, 2^50511505055 is an apocalyptic number.

50511505055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

50511505055 is a deficient number, since it is larger than the sum of its proper divisors (16113588361).

50511505055 is a wasteful number, since it uses less digits than its factorization.

50511505055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83490118 (or 83490107 counting only the distinct ones).

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

The spelling of 50511505055 in words is "fifty billion, five hundred eleven million, five hundred five thousand, fifty-five".