50505500055513 has 4 divisors (see below), whose sum is σ = 67340666740688. Its totient is φ = 33670333370340.

The previous prime is 50505500055511. The next prime is 50505500055523. The reversal of 50505500055513 is 31555000550505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 50505500055513 - 2¹ = 50505500055511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50505500055511) 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, 8417583342583 + ... + 8417583342588.

It is an arithmetic number, because the mean of its divisors is an integer number (16835166685172).

Almost surely, 2^{50505500055513} is an apocalyptic number.

It is an amenable number.

50505500055513 is a deficient number, since it is larger than the sum of its proper divisors (16835166685175).

50505500055513 is a wasteful number, since it uses less digits than its factorization.

50505500055513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16835166685174.

The product of its (nonzero) digits is 234375, while the sum is 39.

The spelling of 50505500055513 in words is "fifty trillion, five hundred five billion, five hundred million, fifty-five thousand, five hundred thirteen".