550055611 has 4 divisors (see below), whose sum is σ = 628634992. Its totient is φ = 471476232.

The previous prime is 550055609. The next prime is 550055629. The reversal of 550055611 is 116550055.

550055611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 116550055 = 5 ⋅23310011.

It is a cyclic number.

It is not a de Polignac number, because 550055611 - 2¹ = 550055609 is a prime.

It is a super-2 number, since 2×550055611² = 605122350385166642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550055611.

It is not an unprimeable number, because it can be changed into a prime (550055641) 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, 39289680 + ... + 39289693.

It is an arithmetic number, because the mean of its divisors is an integer number (157158748).

Almost surely, 2^550055611 is an apocalyptic number.

550055611 is a deficient number, since it is larger than the sum of its proper divisors (78579381).

550055611 is an equidigital number, since it uses as much as digits as its factorization.

550055611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78579380.

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

The square root of 550055611 is about 23453.2643996523. The cubic root of 550055611 is about 819.3488837762.

The spelling of 550055611 in words is "five hundred fifty million, fifty-five thousand, six hundred eleven".