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54805892489 is a prime number
BaseRepresentation
bin110011000010101011…
…111000110110001001
312020110111221210201222
4303002223320312021
51344220302024424
641102200251425
73650066254055
oct630253706611
9166414853658
1054805892489
1121274552227
12a756470b75
1352256283aa
14291cb04c65
15165b757e5e
hexcc2af8d89

54805892489 has 2 divisors, whose sum is σ = 54805892490. Its totient is φ = 54805892488.

The previous prime is 54805892467. The next prime is 54805892503. The reversal of 54805892489 is 98429850845.

It is a happy number.

54805892489 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., 53115038089 + 1690854400 = 230467^2 + 41120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54805892489 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (54805892789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27402946244 + 27402946245.

It is an arithmetic number, because the mean of its divisors is an integer number (27402946245).

Almost surely, 254805892489 is an apocalyptic number.

It is an amenable number.

54805892489 is a deficient number, since it is larger than the sum of its proper divisors (1).

54805892489 is an equidigital number, since it uses as much as digits as its factorization.

54805892489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33177600, while the sum is 62.

The spelling of 54805892489 in words is "fifty-four billion, eight hundred five million, eight hundred ninety-two thousand, four hundred eighty-nine".