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54055278779 is a prime number
BaseRepresentation
bin110010010101111100…
…100001100010111011
312011112012112200022012
4302111330201202323
51341201122410104
640455504120135
73622353200645
oct622574414273
9164465480265
1054055278779
1120a19883017
12a58700604b
135135c77478
14288b153895
1516158d8d6e
hexc95f218bb

54055278779 has 2 divisors, whose sum is σ = 54055278780. Its totient is φ = 54055278778.

The previous prime is 54055278733. The next prime is 54055278791. The reversal of 54055278779 is 97787255045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54055278779 - 228 = 53786843323 is a prime.

It is not a weakly prime, because it can be changed into another prime (54055271779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27027639389 + 27027639390.

It is an arithmetic number, because the mean of its divisors is an integer number (27027639390).

Almost surely, 254055278779 is an apocalyptic number.

54055278779 is a deficient number, since it is larger than the sum of its proper divisors (1).

54055278779 is an equidigital number, since it uses as much as digits as its factorization.

54055278779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24696000, while the sum is 59.

The spelling of 54055278779 in words is "fifty-four billion, fifty-five million, two hundred seventy-eight thousand, seven hundred seventy-nine".