50188234505 has 4 divisors (see below), whose sum is σ = 60225881412. Its totient is φ = 40150587600.

The previous prime is 50188234493. The next prime is 50188234531. The reversal of 50188234505 is 50543288105.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13044152521 + 37144081984 = 114211^2 + 192728^2 .

It is not a de Polignac number, because 50188234505 - 2²⁴ = 50171457289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5018823446 + ... + 5018823455.

It is an arithmetic number, because the mean of its divisors is an integer number (15056470353).

Almost surely, 2^50188234505 is an apocalyptic number.

It is an amenable number.

50188234505 is a deficient number, since it is larger than the sum of its proper divisors (10037646907).

50188234505 is a wasteful number, since it uses less digits than its factorization.

50188234505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10037646906.

The product of its (nonzero) digits is 192000, while the sum is 41.

The spelling of 50188234505 in words is "fifty billion, one hundred eighty-eight million, two hundred thirty-four thousand, five hundred five".