550530511 has 4 divisors (see below), whose sum is σ = 565409752. Its totient is φ = 535651272.

The previous prime is 550530503. The next prime is 550530583. The reversal of 550530511 is 115035055.

550530511 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: 115035055 = 5 ⋅23007011.

It is a cyclic number.

It is not a de Polignac number, because 550530511 - 2³ = 550530503 is a prime.

It is a super-2 number, since 2×550530511² = 606167687083842242, 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 (550530311) 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, 7439565 + ... + 7439638.

It is an arithmetic number, because the mean of its divisors is an integer number (141352438).

Almost surely, 2^550530511 is an apocalyptic number.

550530511 is a deficient number, since it is larger than the sum of its proper divisors (14879241).

550530511 is a wasteful number, since it uses less digits than its factorization.

550530511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14879240.

The product of its (nonzero) digits is 1875, while the sum is 25.

The square root of 550530511 is about 23463.3866055180. The cubic root of 550530511 is about 819.5846156122.

Adding to 550530511 its reverse (115035055), we get a palindrome (665565566).

The spelling of 550530511 in words is "five hundred fifty million, five hundred thirty thousand, five hundred eleven".