50555505505 has 24 divisors (see below), whose sum is σ = 64560655872. Its totient is φ = 37997098752.

The previous prime is 50555505503. The next prime is 50555505523. The reversal of 50555505505 is 50550555505.

It is not a de Polignac number, because 50555505505 - 2¹ = 50555505503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50555505503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 782464 + ... + 844606.

It is an arithmetic number, because the mean of its divisors is an integer number (2690027328).

Almost surely, 2^50555505505 is an apocalyptic number.

It is an amenable number.

50555505505 is a deficient number, since it is larger than the sum of its proper divisors (14005150367).

50555505505 is a wasteful number, since it uses less digits than its factorization.

50555505505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62745 (or 62728 counting only the distinct ones).

The product of its (nonzero) digits is 390625, while the sum is 40.

It can be divided in two parts, 50 and 555505505, that added together give a palindrome (555505555).

The spelling of 50555505505 in words is "fifty billion, five hundred fifty-five million, five hundred five thousand, five hundred five".