550506111 has 4 divisors (see below), whose sum is σ = 734008152. Its totient is φ = 367004072.

The previous prime is 550506109. The next prime is 550506149. The reversal of 550506111 is 111605055.

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

It is a cyclic number.

It is not a de Polignac number, because 550506111 - 2¹ = 550506109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550506161) 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, 91751016 + ... + 91751021.

It is an arithmetic number, because the mean of its divisors is an integer number (183502038).

Almost surely, 2^550506111 is an apocalyptic number.

550506111 is a deficient number, since it is larger than the sum of its proper divisors (183502041).

550506111 is a wasteful number, since it uses less digits than its factorization.

550506111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183502040.

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 550506111 is about 23462.8666407155. The cubic root of 550506111 is about 819.5725071946.

The spelling of 550506111 in words is "five hundred fifty million, five hundred six thousand, one hundred eleven".