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54463703857 is a prime number
BaseRepresentation
bin110010101110010010…
…100010101100110001
312012120200001211011221
4302232102202230301
51343020202010412
641004214105041
73635442562423
oct625622425461
9165520054157
1054463703857
1121109382902
12a67b94b181
13519c778804
1428c94ac813
15163b6b3b07
hexcae4a2b31

54463703857 has 2 divisors, whose sum is σ = 54463703858. Its totient is φ = 54463703856.

The previous prime is 54463703843. The next prime is 54463703873. The reversal of 54463703857 is 75830736445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52635371776 + 1828332081 = 229424^2 + 42759^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54463703857 is a prime.

It is not a weakly prime, because it can be changed into another prime (54463703557) 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, 27231851928 + 27231851929.

It is an arithmetic number, because the mean of its divisors is an integer number (27231851929).

Almost surely, 254463703857 is an apocalyptic number.

It is an amenable number.

54463703857 is a deficient number, since it is larger than the sum of its proper divisors (1).

54463703857 is an equidigital number, since it uses as much as digits as its factorization.

54463703857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 54463703857 in words is "fifty-four billion, four hundred sixty-three million, seven hundred three thousand, eight hundred fifty-seven".