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54605460341989 is a prime number
BaseRepresentation
bin11000110101001110100110…
…00100010000010011100101
321011100020020102022010121201
430122213103010100103211
524124123440321420424
6312045222511442501
714334054132421534
oct1432472304202345
9234306212263551
1054605460341989
111644305588aa87
12615aaa2226431
1324613714b58ab
14d6acc008031b
1564a630021d44
hex31a9d31104e5

54605460341989 has 2 divisors, whose sum is σ = 54605460341990. Its totient is φ = 54605460341988.

The previous prime is 54605460341983. The next prime is 54605460342049. The reversal of 54605460341989 is 98914306450645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30323282328964 + 24282178013025 = 5506658^2 + 4927695^2 .

It is a cyclic number.

It is not a de Polignac number, because 54605460341989 - 245 = 19421088253157 is a prime.

It is a super-2 number, since 2×546054603419892 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54605460341989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54605460341983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27302730170994 + 27302730170995.

It is an arithmetic number, because the mean of its divisors is an integer number (27302730170995).

Almost surely, 254605460341989 is an apocalyptic number.

It is an amenable number.

54605460341989 is a deficient number, since it is larger than the sum of its proper divisors (1).

54605460341989 is an equidigital number, since it uses as much as digits as its factorization.

54605460341989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 111974400, while the sum is 64.

The spelling of 54605460341989 in words is "fifty-four trillion, six hundred five billion, four hundred sixty million, three hundred forty-one thousand, nine hundred eighty-nine".