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54317895449 is a prime number
BaseRepresentation
bin110010100101100110…
…010100111100011001
312012012111200222122112
4302211212110330121
51342220340123244
640541525002105
73632022331136
oct624546247431
9165174628575
1054317895449
1121044043894
12a63ab53335
1351784b674c
1428b3d9558d
15162d9b139e
hexca5994f19

54317895449 has 2 divisors, whose sum is σ = 54317895450. Its totient is φ = 54317895448.

The previous prime is 54317895383. The next prime is 54317895469. The reversal of 54317895449 is 94459871345.

It is a happy number.

54317895449 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., 41888990224 + 12428905225 = 204668^2 + 111485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54317895449 is a prime.

It is not a weakly prime, because it can be changed into another prime (54317895469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27158947724 + 27158947725.

It is an arithmetic number, because the mean of its divisors is an integer number (27158947725).

Almost surely, 254317895449 is an apocalyptic number.

It is an amenable number.

54317895449 is a deficient number, since it is larger than the sum of its proper divisors (1).

54317895449 is an equidigital number, since it uses as much as digits as its factorization.

54317895449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21772800, while the sum is 59.

The spelling of 54317895449 in words is "fifty-four billion, three hundred seventeen million, eight hundred ninety-five thousand, four hundred forty-nine".