Search a number
-
+
54585858491 is a prime number
BaseRepresentation
bin110010110101100100…
…100001100110111011
312012220011220220211122
4302311210201212323
51343242434432431
641024300215455
73641455066403
oct626544414673
9165804826748
1054585858491
112117132644a
12a6b483a58b
1351bbb78368
1428db7c9803
151647292a7b
hexcb59219bb

54585858491 has 2 divisors, whose sum is σ = 54585858492. Its totient is φ = 54585858490.

The previous prime is 54585858487. The next prime is 54585858571. The reversal of 54585858491 is 19485858545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54585858491 - 22 = 54585858487 is a prime.

It is not a weakly prime, because it can be changed into another prime (54585858191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27292929245 + 27292929246.

It is an arithmetic number, because the mean of its divisors is an integer number (27292929246).

Almost surely, 254585858491 is an apocalyptic number.

54585858491 is a deficient number, since it is larger than the sum of its proper divisors (1).

54585858491 is an equidigital number, since it uses as much as digits as its factorization.

54585858491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080000, while the sum is 62.

The spelling of 54585858491 in words is "fifty-four billion, five hundred eighty-five million, eight hundred fifty-eight thousand, four hundred ninety-one".