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54125157791 is a prime number
BaseRepresentation
bin110010011010000111…
…000101110110011111
312011201002000220021202
4302122013011312133
51341322020022131
640510441550115
73624162151565
oct623207056637
9164632026252
1054125157791
1120a55271171
12a5a64a533b
1351475a2bb3
142896543a35
15161baddbcb
hexc9a1c5d9f

54125157791 has 2 divisors, whose sum is σ = 54125157792. Its totient is φ = 54125157790.

The previous prime is 54125157781. The next prime is 54125157893. The reversal of 54125157791 is 19775152145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54125157791 - 26 = 54125157727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54125157731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27062578895 + 27062578896.

It is an arithmetic number, because the mean of its divisors is an integer number (27062578896).

Almost surely, 254125157791 is an apocalyptic number.

54125157791 is a deficient number, since it is larger than the sum of its proper divisors (1).

54125157791 is an equidigital number, since it uses as much as digits as its factorization.

54125157791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 441000, while the sum is 47.

The spelling of 54125157791 in words is "fifty-four billion, one hundred twenty-five million, one hundred fifty-seven thousand, seven hundred ninety-one".