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54464931791 is a prime number
BaseRepresentation
bin110010101110010111…
…001110011111001111
312012120202101012120222
4302232113032133033
51343021010304131
641004300301555
73635456165414
oct625627163717
9165522335528
1054464931791
112110a041426
12a6802418bb
13519cab86ba
1428c970c10b
15163b85787b
hexcae5ce7cf

54464931791 has 2 divisors, whose sum is σ = 54464931792. Its totient is φ = 54464931790.

The previous prime is 54464931779. The next prime is 54464931841. The reversal of 54464931791 is 19713946445.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54464931791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54464931761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27232465895 + 27232465896.

It is an arithmetic number, because the mean of its divisors is an integer number (27232465896).

Almost surely, 254464931791 is an apocalyptic number.

54464931791 is a deficient number, since it is larger than the sum of its proper divisors (1).

54464931791 is an equidigital number, since it uses as much as digits as its factorization.

54464931791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 53.

The spelling of 54464931791 in words is "fifty-four billion, four hundred sixty-four million, nine hundred thirty-one thousand, seven hundred ninety-one".