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54281585593 is a prime number
BaseRepresentation
bin110010100011011011…
…110100001110111001
312012002222101020220001
4302203123310032321
51342132041214333
640534150433001
73631101602404
oct624333641671
9165088336801
1054281585593
11210255a3744
12a62a962761
135170b12721
1428ad222d3b
15162a6dcb7d
hexca36f43b9

54281585593 has 2 divisors, whose sum is σ = 54281585594. Its totient is φ = 54281585592.

The previous prime is 54281585513. The next prime is 54281585629. The reversal of 54281585593 is 39558518245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46081920889 + 8199664704 = 214667^2 + 90552^2 .

It is a cyclic number.

It is not a de Polignac number, because 54281585593 - 29 = 54281585081 is a prime.

It is not a weakly prime, because it can be changed into another prime (54281585513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27140792796 + 27140792797.

It is an arithmetic number, because the mean of its divisors is an integer number (27140792797).

Almost surely, 254281585593 is an apocalyptic number.

It is an amenable number.

54281585593 is a deficient number, since it is larger than the sum of its proper divisors (1).

54281585593 is an equidigital number, since it uses as much as digits as its factorization.

54281585593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640000, while the sum is 55.

The spelling of 54281585593 in words is "fifty-four billion, two hundred eighty-one million, five hundred eighty-five thousand, five hundred ninety-three".