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54685830863 is a prime number
BaseRepresentation
bin110010111011100001…
…111000111011001111
312020011011001001011002
4302323201320323033
51343444033041423
641042231050515
73644110615136
oct627341707317
9166134031132
1054685830863
11212127a9144
12a722210a3b
1352067ac401
14290abb091d
151650e3e228
hexcbb878ecf

54685830863 has 2 divisors, whose sum is σ = 54685830864. Its totient is φ = 54685830862.

The previous prime is 54685830779. The next prime is 54685830869. The reversal of 54685830863 is 36803858645.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54685830863 - 216 = 54685765327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54685830799 and 54685830808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54685830869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27342915431 + 27342915432.

It is an arithmetic number, because the mean of its divisors is an integer number (27342915432).

Almost surely, 254685830863 is an apocalyptic number.

54685830863 is a deficient number, since it is larger than the sum of its proper divisors (1).

54685830863 is an equidigital number, since it uses as much as digits as its factorization.

54685830863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16588800, while the sum is 56.

The spelling of 54685830863 in words is "fifty-four billion, six hundred eighty-five million, eight hundred thirty thousand, eight hundred sixty-three".