550556105 has 16 divisors (see below), whose sum is σ = 721998144. Its totient is φ = 399698880.

The previous prime is 550556093. The next prime is 550556131. The reversal of 550556105 is 501655055.

It is not a de Polignac number, because 550556105 - 2⁴ = 550556089 is a prime.

It is a super-2 number, since 2×550556105² = 606224049505542050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23759 + ... + 40811.

It is an arithmetic number, because the mean of its divisors is an integer number (45124884).

Almost surely, 2^550556105 is an apocalyptic number.

550556105 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

550556105 is a deficient number, since it is larger than the sum of its proper divisors (171442039).

550556105 is a wasteful number, since it uses less digits than its factorization.

550556105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17656.

The product of its (nonzero) digits is 18750, while the sum is 32.

The square root of 550556105 is about 23463.9320021176. The cubic root of 550556105 is about 819.5973161639.

It can be divided in two parts, 550 and 556105, that added together give a palindrome (556655).

The spelling of 550556105 in words is "five hundred fifty million, five hundred fifty-six thousand, one hundred five".