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54489442405 = 543253439267
BaseRepresentation
bin110010101111110100…
…101110100001100101
312012122110111110211111
4302233310232201211
51343043244124110
641010533505021
73636204422056
oct625764564145
9165573443744
1054489442405
1121121962632
12a6884a2171
1351a4bbac18
1428cca8c72d
15163da99e8a
hexcafd2e865

54489442405 has 8 divisors (see below), whose sum is σ = 66907966752. Its totient is φ = 42577796688.

The previous prime is 54489442373. The next prime is 54489442453. The reversal of 54489442405 is 50424498445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54489442405 - 25 = 54489442373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126719419 + ... + 126719848.

It is an arithmetic number, because the mean of its divisors is an integer number (8363495844).

Almost surely, 254489442405 is an apocalyptic number.

It is an amenable number.

54489442405 is a deficient number, since it is larger than the sum of its proper divisors (12418524347).

54489442405 is a wasteful number, since it uses less digits than its factorization.

54489442405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253439315.

The product of its (nonzero) digits is 3686400, while the sum is 49.

The spelling of 54489442405 in words is "fifty-four billion, four hundred eighty-nine million, four hundred forty-two thousand, four hundred five".

Divisors: 1 5 43 215 253439267 1267196335 10897888481 54489442405