550605105 has 24 divisors (see below), whose sum is σ = 985171200. Its totient is φ = 284182560.

The previous prime is 550605053. The next prime is 550605109. The reversal of 550605105 is 501506055.

550605105 is a `hidden beast` number, since 5 + 50 + 605 + 1 + 0 + 5 = 666.

It is not a de Polignac number, because 550605105 - 2¹⁰ = 550604081 is a prime.

It is a super-2 number, since 2×550605105² = 606331963304122050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550605109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195955 + ... + 198744.

It is an arithmetic number, because the mean of its divisors is an integer number (41048800).

Almost surely, 2^550605105 is an apocalyptic number.

It is an amenable number.

550605105 is a deficient number, since it is larger than the sum of its proper divisors (434566095).

550605105 is a wasteful number, since it uses less digits than its factorization.

550605105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394741 (or 394738 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 550605105 is about 23464.9761346565. The cubic root of 550605105 is about 819.6216304144.

The spelling of 550605105 in words is "five hundred fifty million, six hundred five thousand, one hundred five".