50505500550506 has 4 divisors (see below), whose sum is σ = 75758250825762. Its totient is φ = 25252750275252.

The previous prime is 50505500550403. The next prime is 50505500550521. The reversal of 50505500550506 is 60505500550505.

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

It can be written as a sum of positive squares in only one way, i.e., 31065117284881 + 19440383265625 = 5573609^2 + 4409125^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12626375137625 + ... + 12626375137628.

Almost surely, 2^{50505500550506} is an apocalyptic number.

50505500550506 is a deficient number, since it is larger than the sum of its proper divisors (25252750275256).

50505500550506 is a wasteful number, since it uses less digits than its factorization.

50505500550506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25252750275255.

The product of its (nonzero) digits is 468750, while the sum is 41.

Subtracting 50505500550506 from its reverse (60505500550505), we obtain a palindrome (9999999999999).

The spelling of 50505500550506 in words is "fifty trillion, five hundred five billion, five hundred million, five hundred fifty thousand, five hundred six".