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54552471209 is a prime number
BaseRepresentation
bin110010110011100101…
…001010011010101001
312012210212002200002122
4302303211022122221
51343210413034314
641021104441025
73640601232365
oct626345123251
9165725080078
1054552471209
11211544a2055
12a6a5619175
1351b4c88682
1428d71b82a5
15164439a28e
hexcb394a6a9

54552471209 has 2 divisors, whose sum is σ = 54552471210. Its totient is φ = 54552471208.

The previous prime is 54552471161. The next prime is 54552471221. The reversal of 54552471209 is 90217425545.

54552471209 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., 54540931600 + 11539609 = 233540^2 + 3397^2 .

It is a cyclic number.

It is not a de Polignac number, because 54552471209 - 232 = 50257503913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54552471209.

It is not a weakly prime, because it can be changed into another prime (54552471299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27276235604 + 27276235605.

It is an arithmetic number, because the mean of its divisors is an integer number (27276235605).

Almost surely, 254552471209 is an apocalyptic number.

It is an amenable number.

54552471209 is a deficient number, since it is larger than the sum of its proper divisors (1).

54552471209 is an equidigital number, since it uses as much as digits as its factorization.

54552471209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504000, while the sum is 44.

The spelling of 54552471209 in words is "fifty-four billion, five hundred fifty-two million, four hundred seventy-one thousand, two hundred nine".