550311530 has 16 divisors (see below), whose sum is σ = 994419720. Its totient is φ = 219267072.

The previous prime is 550311521. The next prime is 550311563. The reversal of 550311530 is 35113055.

It can be written as a sum of positive squares in 4 ways, for example, as 441714289 + 108597241 = 21017^2 + 10421^2 .

It is a junction number, because it is equal to n+sod(n) for n = 550311496 and 550311505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104495 + ... + 109634.

Almost surely, 2^550311530 is an apocalyptic number.

550311530 is a deficient number, since it is larger than the sum of its proper divisors (444108190).

550311530 is a wasteful number, since it uses less digits than its factorization.

550311530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214393.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 550311530 is about 23458.7197007850. The cubic root of 550311530 is about 819.4759342244.

Adding to 550311530 its reverse (35113055), we get a palindrome (585424585).

The spelling of 550311530 in words is "five hundred fifty million, three hundred eleven thousand, five hundred thirty".