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54344322457 is a prime number
BaseRepresentation
bin110010100111001011…
…001000110110011001
312012021100102121200121
4302213023020312121
51342244121304312
640544311233241
73632463055615
oct624713106631
9165240377617
1054344322457
1121057a53897
12a647978821
135180b0a329
1428b76b4345
151630e81707
hexca72c8d99

54344322457 has 2 divisors, whose sum is σ = 54344322458. Its totient is φ = 54344322456.

The previous prime is 54344322419. The next prime is 54344322469. The reversal of 54344322457 is 75422344345.

54344322457 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., 46813380496 + 7530941961 = 216364^2 + 86781^2 .

It is a cyclic number.

It is not a de Polignac number, because 54344322457 - 211 = 54344320409 is a prime.

It is not a weakly prime, because it can be changed into another prime (54344323457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27172161228 + 27172161229.

It is an arithmetic number, because the mean of its divisors is an integer number (27172161229).

Almost surely, 254344322457 is an apocalyptic number.

It is an amenable number.

54344322457 is a deficient number, since it is larger than the sum of its proper divisors (1).

54344322457 is an equidigital number, since it uses as much as digits as its factorization.

54344322457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1612800, while the sum is 43.

The spelling of 54344322457 in words is "fifty-four billion, three hundred forty-four million, three hundred twenty-two thousand, four hundred fifty-seven".