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56244226457 is a prime number
BaseRepresentation
bin110100011000011010…
…101100100110011001
312101011202102202000102
4310120122230212121
51410142010221312
641501020545145
74030533015416
oct643032544631
9171152382012
1056244226457
1121942443891
12aa980b21b5
1353c4609293
142a17b5510d
1516e2b70ec2
hexd186ac999

56244226457 has 2 divisors, whose sum is σ = 56244226458. Its totient is φ = 56244226456.

The previous prime is 56244226403. The next prime is 56244226459. The reversal of 56244226457 is 75462244265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48454575376 + 7789651081 = 220124^2 + 88259^2 .

It is a cyclic number.

It is not a de Polignac number, because 56244226457 - 28 = 56244226201 is a prime.

Together with 56244226459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56244226459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28122113228 + 28122113229.

It is an arithmetic number, because the mean of its divisors is an integer number (28122113229).

Almost surely, 256244226457 is an apocalyptic number.

It is an amenable number.

56244226457 is a deficient number, since it is larger than the sum of its proper divisors (1).

56244226457 is an equidigital number, since it uses as much as digits as its factorization.

56244226457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3225600, while the sum is 47.

The spelling of 56244226457 in words is "fifty-six billion, two hundred forty-four million, two hundred twenty-six thousand, four hundred fifty-seven".