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550111 is a prime number
BaseRepresentation
bin10000110010011011111
31000221121111
42012103133
5120100421
615442451
74450552
oct2062337
91027544
10550111
11346341
12226427
13163513
14104699
15acee1
hex864df

550111 has 2 divisors, whose sum is σ = 550112. Its totient is φ = 550110.

The previous prime is 550073. The next prime is 550117. The reversal of 550111 is 111055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550111 - 215 = 517343 is a prime.

It is a super-2 number, since 2×5501112 = 605244224642, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 550091 and 550100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275055 + 275056.

It is an arithmetic number, because the mean of its divisors is an integer number (275056).

2550111 is an apocalyptic number.

550111 is a deficient number, since it is larger than the sum of its proper divisors (1).

550111 is an equidigital number, since it uses as much as digits as its factorization.

550111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25, while the sum is 13.

The square root of 550111 is about 741.6946811189. The cubic root of 550111 is about 81.9376384870.

Adding to 550111 its reverse (111055), we get a palindrome (661166).

The spelling of 550111 in words is "five hundred fifty thousand, one hundred eleven".