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550968791 is a prime number
BaseRepresentation
bin100000110101110…
…001110111010111
31102101202010002112
4200311301313113
52112022000131
6130401101235
716440105002
oct4065616727
91371663075
10550968791
1126300a00a
1213462781b
138a1bc449
1453262539
153358502b
hex20d71dd7

550968791 has 2 divisors, whose sum is σ = 550968792. Its totient is φ = 550968790.

The previous prime is 550968763. The next prime is 550968811. The reversal of 550968791 is 197869055.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550968791 - 226 = 483859927 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550968721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275484395 + 275484396.

It is an arithmetic number, because the mean of its divisors is an integer number (275484396).

Almost surely, 2550968791 is an apocalyptic number.

550968791 is a deficient number, since it is larger than the sum of its proper divisors (1).

550968791 is an equidigital number, since it uses as much as digits as its factorization.

550968791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 50.

The square root of 550968791 is about 23472.7244051473. The cubic root of 550968791 is about 819.8020496799.

The spelling of 550968791 in words is "five hundred fifty million, nine hundred sixty-eight thousand, seven hundred ninety-one".