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55803269 is a prime number
BaseRepresentation
bin1101010011011…
…1110110000101
310220000002200202
43110313312011
5103241201034
65312020245
71245214514
oct324676605
9126002622
1055803269
1129554905
1216831685
13b73a9b2
1475a867b
154d7447e
hex3537d85

55803269 has 2 divisors, whose sum is σ = 55803270. Its totient is φ = 55803268.

The previous prime is 55803257. The next prime is 55803271. The reversal of 55803269 is 96230855.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47100769 + 8702500 = 6863^2 + 2950^2 .

It is a cyclic number.

It is not a de Polignac number, because 55803269 - 216 = 55737733 is a prime.

It is a super-2 number, since 2×558032692 = 6228009662172722, which contains 22 as substring.

Together with 55803271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55803169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27901634 + 27901635.

It is an arithmetic number, because the mean of its divisors is an integer number (27901635).

Almost surely, 255803269 is an apocalyptic number.

It is an amenable number.

55803269 is a deficient number, since it is larger than the sum of its proper divisors (1).

55803269 is an equidigital number, since it uses as much as digits as its factorization.

55803269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 55803269 is about 7470.1585659208. The cubic root of 55803269 is about 382.1376955793.

The spelling of 55803269 in words is "fifty-five million, eight hundred three thousand, two hundred sixty-nine".