50505011506 has 4 divisors (see below), whose sum is σ = 75757517262. Its totient is φ = 25252505752.

The previous prime is 50505011477. The next prime is 50505011521. The reversal of 50505011506 is 60511050505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60511050505 = 5 ⋅12102210101.

It can be written as a sum of positive squares in only one way, i.e., 50486045481 + 18966025 = 224691^2 + 4355^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12626252875 + ... + 12626252878.

Almost surely, 2^50505011506 is an apocalyptic number.

50505011506 is a deficient number, since it is larger than the sum of its proper divisors (25252505756).

50505011506 is a wasteful number, since it uses less digits than its factorization.

50505011506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25252505755.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 50505011506 in words is "fifty billion, five hundred five million, eleven thousand, five hundred six".