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550908047 is a prime number
BaseRepresentation
bin100000110101100…
…011000010001111
31102101122000202202
4200311203002033
52112013024142
6130355512115
716436432624
oct4065430217
91371560682
10550908047
11262a78408
121345b863b
138a19a8c1
145324834b
1533572032
hex20d6308f

550908047 has 2 divisors, whose sum is σ = 550908048. Its totient is φ = 550908046.

The previous prime is 550907989. The next prime is 550908053. The reversal of 550908047 is 740809055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550908047 - 216 = 550842511 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 550908047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550908067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275454023 + 275454024.

It is an arithmetic number, because the mean of its divisors is an integer number (275454024).

Almost surely, 2550908047 is an apocalyptic number.

550908047 is a deficient number, since it is larger than the sum of its proper divisors (1).

550908047 is an equidigital number, since it uses as much as digits as its factorization.

550908047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 550908047 is about 23471.4304421354. The cubic root of 550908047 is about 819.7719210007.

The spelling of 550908047 in words is "five hundred fifty million, nine hundred eight thousand, forty-seven".