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550665066 = 23747713929
BaseRepresentation
bin100000110100100…
…111101101101010
31102101011200110110
4200310213231222
52111432240231
6130350355150
716434401340
oct4064475552
91371150413
10550665066
112629218a6
121344bbab6
138a114123
14531c3990
1533525046
hex20d27b6a

550665066 has 64 divisors (see below), whose sum is σ = 1303879680. Its totient is φ = 151777920.

The previous prime is 550665001. The next prime is 550665083. The reversal of 550665066 is 660566055.

It is a happy number.

550665066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138190 + ... + 142118.

It is an arithmetic number, because the mean of its divisors is an integer number (20373120).

Almost surely, 2550665066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550665066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (651939840).

550665066 is an abundant number, since it is smaller than the sum of its proper divisors (753214614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550665066 is a wasteful number, since it uses less digits than its factorization.

550665066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4059.

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 550665066 is about 23466.2537700418. The cubic root of 550665066 is about 819.6513816512.

The spelling of 550665066 in words is "five hundred fifty million, six hundred sixty-five thousand, sixty-six".

Divisors: 1 2 3 6 7 14 21 42 47 71 94 141 142 213 282 329 426 497 658 987 994 1491 1974 2982 3337 3929 6674 7858 10011 11787 20022 23359 23574 27503 46718 55006 70077 82509 140154 165018 184663 278959 369326 553989 557918 836877 1107978 1292641 1673754 1952713 2585282 3877923 3905426 5858139 7755846 11716278 13111073 26222146 39333219 78666438 91777511 183555022 275332533 550665066