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54879986297 is a prime number
BaseRepresentation
bin110011000111000110…
…100010001001111001
312020122200101011100002
4303013012202021321
51344343234030142
641113404322345
73651656121023
oct630706421171
9166580334302
1054879986297
1121302359a84
12a7772433b5
135237a9b396
1429288b1013
151662ee1a32
hexcc71a2279

54879986297 has 2 divisors, whose sum is σ = 54879986298. Its totient is φ = 54879986296.

The previous prime is 54879986269. The next prime is 54879986299. The reversal of 54879986297 is 79268997845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52920241936 + 1959744361 = 230044^2 + 44269^2 .

It is a cyclic number.

It is not a de Polignac number, because 54879986297 - 218 = 54879724153 is a prime.

Together with 54879986299, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54879986299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27439993148 + 27439993149.

It is an arithmetic number, because the mean of its divisors is an integer number (27439993149).

Almost surely, 254879986297 is an apocalyptic number.

It is an amenable number.

54879986297 is a deficient number, since it is larger than the sum of its proper divisors (1).

54879986297 is an equidigital number, since it uses as much as digits as its factorization.

54879986297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 548674560, while the sum is 74.

The spelling of 54879986297 in words is "fifty-four billion, eight hundred seventy-nine million, nine hundred eighty-six thousand, two hundred ninety-seven".