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550412549 is a prime number
BaseRepresentation
bin100000110011101…
…010000100000101
31102100200212001222
4200303222010011
52111401200144
6130341130125
716432300211
oct4063520405
91370625058
10550412549
1126276a105
121343b9945
138a0561cb
1453159941
15334c52ee
hex20cea105

550412549 has 2 divisors, whose sum is σ = 550412550. Its totient is φ = 550412548.

The previous prime is 550412497. The next prime is 550412567. The reversal of 550412549 is 945214055.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 337456900 + 212955649 = 18370^2 + 14593^2 .

It is a cyclic number.

It is not a de Polignac number, because 550412549 - 28 = 550412293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550411549) 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, 275206274 + 275206275.

It is an arithmetic number, because the mean of its divisors is an integer number (275206275).

Almost surely, 2550412549 is an apocalyptic number.

It is an amenable number.

550412549 is a deficient number, since it is larger than the sum of its proper divisors (1).

550412549 is an equidigital number, since it uses as much as digits as its factorization.

550412549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 550412549 is about 23460.8727246026. The cubic root of 550412549 is about 819.5260740512.

The spelling of 550412549 in words is "five hundred fifty million, four hundred twelve thousand, five hundred forty-nine".