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55105051051 is a prime number
BaseRepresentation
bin110011010100100001…
…000101100110101011
312021020100212122010201
4303110201011212223
51400323343113201
641152004253031
73660361130341
oct632441054653
9167210778121
1055105051051
1121408401506
12a81a6a1177
1352725c01ab
14294a739991
151677b4c801
hexcd48459ab

55105051051 has 2 divisors, whose sum is σ = 55105051052. Its totient is φ = 55105051050.

The previous prime is 55105051031. The next prime is 55105051061. The reversal of 55105051051 is 15015050155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55105051051 - 25 = 55105051019 is a prime.

It is not a weakly prime, because it can be changed into another prime (55105051031) 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, 27552525525 + 27552525526.

It is an arithmetic number, because the mean of its divisors is an integer number (27552525526).

Almost surely, 255105051051 is an apocalyptic number.

55105051051 is a deficient number, since it is larger than the sum of its proper divisors (1).

55105051051 is an equidigital number, since it uses as much as digits as its factorization.

55105051051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3125, while the sum is 28.

The spelling of 55105051051 in words is "fifty-five billion, one hundred five million, fifty-one thousand, fifty-one".