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550665067 = 2287124077
BaseRepresentation
bin100000110100100…
…111101101101011
31102101011200110111
4200310213231223
52111432240232
6130350355151
716434401341
oct4064475553
91371150414
10550665067
112629218a7
121344bbab7
138a114124
14531c3991
1533525047
hex20d27b6b

550665067 has 4 divisors (see below), whose sum is σ = 550712016. Its totient is φ = 550618120.

The previous prime is 550665001. The next prime is 550665083. The reversal of 550665067 is 760566055.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 760566055 = 5152113211.

It is a cyclic number.

It is not a de Polignac number, because 550665067 - 219 = 550140779 is a prime.

It is a super-2 number, since 2×5506650672 = 606464032028228978, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550663067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10833 + ... + 34909.

It is an arithmetic number, because the mean of its divisors is an integer number (137678004).

Almost surely, 2550665067 is an apocalyptic number.

550665067 is a deficient number, since it is larger than the sum of its proper divisors (46949).

550665067 is a wasteful number, since it uses less digits than its factorization.

550665067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46948.

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 550665067 is about 23466.2537913490. The cubic root of 550665067 is about 819.6513821474.

The spelling of 550665067 in words is "five hundred fifty million, six hundred sixty-five thousand, sixty-seven".

Divisors: 1 22871 24077 550665067