550311011 has 8 divisors (see below), whose sum is σ = 558631920. Its totient is φ = 542011392.

The previous prime is 550310993. The next prime is 550311019. The reversal of 550311011 is 110113055.

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 550311011 - 2¹⁴ = 550294627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550311019) 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, 51236 + ... + 61038.

It is an arithmetic number, because the mean of its divisors is an integer number (69828990).

Almost surely, 2^550311011 is an apocalyptic number.

550311011 is a deficient number, since it is larger than the sum of its proper divisors (8320909).

550311011 is an equidigital number, since it uses as much as digits as its factorization.

550311011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10645.

The product of its (nonzero) digits is 75, while the sum is 17.

The square root of 550311011 is about 23458.7086387977. The cubic root of 550311011 is about 819.4756766078.

Adding to 550311011 its reverse (110113055), we get a palindrome (660424066).

The spelling of 550311011 in words is "five hundred fifty million, three hundred eleven thousand, eleven".