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550550005 = 5793713873
BaseRepresentation
bin100000110100001…
…011100111110101
31102100221211121221
4200310023213311
52111420100010
6130344110341
716433412025
oct4064134765
91370854557
10550550005
11262853405
121344653b1
138a0a3945
1453193a85
1533500dda
hex20d0b9f5

550550005 has 8 divisors (see below), whose sum is σ = 660790872. Its totient is φ = 440352768.

The previous prime is 550550003. The next prime is 550550029. The reversal of 550550005 is 500055055.

550550005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 202578289 + 347971716 = 14233^2 + 18654^2 .

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 550550005 - 21 = 550550003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550550003) 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, 32749 + ... + 46621.

It is an arithmetic number, because the mean of its divisors is an integer number (82598859).

Almost surely, 2550550005 is an apocalyptic number.

It is an amenable number.

550550005 is a deficient number, since it is larger than the sum of its proper divisors (110240867).

550550005 is a wasteful number, since it uses less digits than its factorization.

550550005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21815.

The product of its (nonzero) digits is 3125, while the sum is 25.

The square root of 550550005 is about 23463.8020150188. The cubic root of 550550005 is about 819.5942891868.

The spelling of 550550005 in words is "five hundred fifty million, five hundred fifty thousand, five".

Divisors: 1 5 7937 13873 39685 69365 110110001 550550005