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550005009 = 353265267
BaseRepresentation
bin100000110010000…
…110100100010001
31102022221011000220
4200302012210101
52111300130014
6130324303253
716425652101
oct4062064421
91368834026
10550005009
112625109a4
12134241b29
1389c42868
1453091201
15334446a9
hex20c86911

550005009 has 12 divisors (see below), whose sum is σ = 747449136. Its totient is φ = 359746192.

The previous prime is 550004999. The next prime is 550005019. The reversal of 550005009 is 900500055.

It is an interprime number because it is at equal distance from previous prime (550004999) and next prime (550005019).

It is not a de Polignac number, because 550005009 - 24 = 550004993 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 550005009.

It is not an unprimeable number, because it can be changed into a prime (550005019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24207 + ... + 41060.

It is an arithmetic number, because the mean of its divisors is an integer number (62287428).

Almost surely, 2550005009 is an apocalyptic number.

It is an amenable number.

550005009 is a deficient number, since it is larger than the sum of its proper divisors (197444127).

550005009 is an equidigital number, since it uses as much as digits as its factorization.

550005009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65376 (or 65323 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 24.

The square root of 550005009 is about 23452.1855911128. The cubic root of 550005009 is about 819.3237578538.

The spelling of 550005009 in words is "five hundred fifty million, five thousand, nine".

Divisors: 1 3 53 159 2809 8427 65267 195801 3459151 10377453 183335003 550005009