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BaseRepresentation
bin10000110010011011001
31000221121021
42012103121
5120100410
615442441
74450543
oct2062331
91027537
10550105
11346336
12226421
1316350a
14104693
15aceda
hex864d9

550105 has 8 divisors (see below), whose sum is σ = 664200. Its totient is φ = 437376.

The previous prime is 550073. The next prime is 550111. The reversal of 550105 is 501055.

It can be written as a sum of positive squares in 4 ways, for example, as 48841 + 501264 = 221^2 + 708^2 .

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 550105 - 25 = 550073 is a prime.

It is a super-2 number, since 2×5501052 = 605231022050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1141 + ... + 1549.

It is an arithmetic number, because the mean of its divisors is an integer number (83025).

2550105 is an apocalyptic number.

It is an amenable number.

550105 is a deficient number, since it is larger than the sum of its proper divisors (114095).

550105 is a wasteful number, since it uses less digits than its factorization.

550105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683.

The product of its (nonzero) digits is 125, while the sum is 16.

The square root of 550105 is about 741.6906363168. The cubic root of 550105 is about 81.9373405909.

The spelling of 550105 in words is "five hundred fifty thousand, one hundred five".

Divisors: 1 5 269 409 1345 2045 110021 550105