550105511 has 8 divisors (see below), whose sum is σ = 555753744. Its totient is φ = 544466880.

The previous prime is 550105483. The next prime is 550105541. The reversal of 550105511 is 115501055.

It is a happy number.

550105511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550105511 - 2¹⁸ = 549843367 is a prime.

It is a super-2 number, since 2×550105511² = 605232146465142242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550105541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184811 + ... + 187763.

It is an arithmetic number, because the mean of its divisors is an integer number (69469218).

Almost surely, 2^550105511 is an apocalyptic number.

550105511 is a deficient number, since it is larger than the sum of its proper divisors (5648233).

550105511 is a wasteful number, since it uses less digits than its factorization.

550105511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4801.

The product of its (nonzero) digits is 625, while the sum is 23.

The square root of 550105511 is about 23454.3281933207. The cubic root of 550105511 is about 819.3736596183.

Adding to 550105511 its reverse (115501055), we get a palindrome (665606566).

The spelling of 550105511 in words is "five hundred fifty million, one hundred five thousand, five hundred eleven".