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54440549 is a prime number
BaseRepresentation
bin1100111110101…
…1001001100101
310210102212101122
43033223021211
5102414044144
65222503325
71230510542
oct317531145
9123385348
1054440549
1128803a99
1216294b45
13b381657
147331bc9
154ba57ee
hex33eb265

54440549 has 2 divisors, whose sum is σ = 54440550. Its totient is φ = 54440548.

The previous prime is 54440543. The next prime is 54440591. The reversal of 54440549 is 94504445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39564100 + 14876449 = 6290^2 + 3857^2 .

It is a cyclic number.

It is not a de Polignac number, because 54440549 - 28 = 54440293 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54440543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27220274 + 27220275.

It is an arithmetic number, because the mean of its divisors is an integer number (27220275).

Almost surely, 254440549 is an apocalyptic number.

It is an amenable number.

54440549 is a deficient number, since it is larger than the sum of its proper divisors (1).

54440549 is an equidigital number, since it uses as much as digits as its factorization.

54440549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 54440549 is about 7378.3839016413. The cubic root of 54440549 is about 379.0014155608.

The spelling of 54440549 in words is "fifty-four million, four hundred forty thousand, five hundred forty-nine".