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54627289 is a prime number
BaseRepresentation
bin1101000001100…
…0101111011001
310210210100112221
43100120233121
5102441033124
65230504041
71232216143
oct320305731
9123710487
1054627289
1128921322
1216365021
13b418652
14737dc93
154be0ce4
hex3418bd9

54627289 has 2 divisors, whose sum is σ = 54627290. Its totient is φ = 54627288.

The previous prime is 54627257. The next prime is 54627317. The reversal of 54627289 is 98272645.

54627289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53875600 + 751689 = 7340^2 + 867^2 .

It is a cyclic number.

It is not a de Polignac number, because 54627289 - 25 = 54627257 is a prime.

It is not a weakly prime, because it can be changed into another prime (54627889) 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, 27313644 + 27313645.

It is an arithmetic number, because the mean of its divisors is an integer number (27313645).

Almost surely, 254627289 is an apocalyptic number.

It is an amenable number.

54627289 is a deficient number, since it is larger than the sum of its proper divisors (1).

54627289 is an equidigital number, since it uses as much as digits as its factorization.

54627289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 43.

The square root of 54627289 is about 7391.0276010850. The cubic root of 54627289 is about 379.4342666650.

The spelling of 54627289 in words is "fifty-four million, six hundred twenty-seven thousand, two hundred eighty-nine".