50055501511 has 4 divisors (see below), whose sum is σ = 50066300952. Its totient is φ = 50044702072.

The previous prime is 50055501499. The next prime is 50055501547. The reversal of 50055501511 is 11510555005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11510555005 = 5 ⋅2302111001.

It is a cyclic number.

It is not a de Polignac number, because 50055501511 - 2²³ = 50047112903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50055501511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50055501581) 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, 5392765 + ... + 5402038.

It is an arithmetic number, because the mean of its divisors is an integer number (12516575238).

Almost surely, 2^50055501511 is an apocalyptic number.

50055501511 is a deficient number, since it is larger than the sum of its proper divisors (10799441).

50055501511 is a wasteful number, since it uses less digits than its factorization.

50055501511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10799440.

The product of its (nonzero) digits is 3125, while the sum is 28.

The spelling of 50055501511 in words is "fifty billion, fifty-five million, five hundred one thousand, five hundred eleven".