550506005611 has 4 divisors (see below), whose sum is σ = 555956560224. Its totient is φ = 545055451000.

The previous prime is 550506005597. The next prime is 550506005663. The reversal of 550506005611 is 116500605055.

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 550506005611 - 2²¹ = 550503908459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550506005311) 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, 2725277155 + ... + 2725277356.

It is an arithmetic number, because the mean of its divisors is an integer number (138989140056).

Almost surely, 2^550506005611 is an apocalyptic number.

550506005611 is a deficient number, since it is larger than the sum of its proper divisors (5450554613).

550506005611 is a wasteful number, since it uses less digits than its factorization.

550506005611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5450554612.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 550506005611 in words is "five hundred fifty billion, five hundred six million, five thousand, six hundred eleven".