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54454312487 is a prime number
BaseRepresentation
bin110010101101101110…
…101101111000100111
312012120000101200122102
4302231232231320213
51343010300444422
641003240522315
73635300006351
oct625556557047
9165500350572
1054454312487
1121104048a43
12a67878039b
13519a83aca3
1428c81460d1
15163a95b192
hexcadbade27

54454312487 has 2 divisors, whose sum is σ = 54454312488. Its totient is φ = 54454312486.

The previous prime is 54454312481. The next prime is 54454312513. The reversal of 54454312487 is 78421345445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54454312487 - 210 = 54454311463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54454312481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27227156243 + 27227156244.

It is an arithmetic number, because the mean of its divisors is an integer number (27227156244).

Almost surely, 254454312487 is an apocalyptic number.

54454312487 is a deficient number, since it is larger than the sum of its proper divisors (1).

54454312487 is an equidigital number, since it uses as much as digits as its factorization.

54454312487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2150400, while the sum is 47.

The spelling of 54454312487 in words is "fifty-four billion, four hundred fifty-four million, three hundred twelve thousand, four hundred eighty-seven".