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54440449291 is a prime number
BaseRepresentation
bin110010101100111001…
…110101010100001011
312012112001022100220201
4302230321311110023
51342443223334131
641002023433031
73635041120024
oct625471652413
9165461270821
1054440449291
11210a723a358
12a673bb5777
1351979c5c07
1428c6377c4b
15163961d761
hexcace7550b

54440449291 has 2 divisors, whose sum is σ = 54440449292. Its totient is φ = 54440449290.

The previous prime is 54440449229. The next prime is 54440449309. The reversal of 54440449291 is 19294404445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54440449291 - 215 = 54440416523 is a prime.

It is not a weakly prime, because it can be changed into another prime (54440449991) 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, 27220224645 + 27220224646.

It is an arithmetic number, because the mean of its divisors is an integer number (27220224646).

Almost surely, 254440449291 is an apocalyptic number.

54440449291 is a deficient number, since it is larger than the sum of its proper divisors (1).

54440449291 is an equidigital number, since it uses as much as digits as its factorization.

54440449291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 54440449291 in words is "fifty-four billion, four hundred forty million, four hundred forty-nine thousand, two hundred ninety-one".