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54489442560 = 283572733967
BaseRepresentation
bin110010101111110100…
…101110100100000000
312012122110111111001020
4302233310232210000
51343043244130220
641010533505440
73636204422400
oct625764564400
9165573444036
1054489442560
1121121962763
12a6884a2280
1351a4bbb007
1428cca8c800
15163da9a040
hexcafd2e900

54489442560 has 432 divisors, whose sum is σ = 205262862336. Its totient is φ = 12281020416.

The previous prime is 54489442547. The next prime is 54489442561. The reversal of 54489442560 is 6524498445.

It is not an unprimeable number, because it can be changed into a prime (54489442561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13733697 + ... + 13737663.

Almost surely, 254489442560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54489442560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102631431168).

54489442560 is an abundant number, since it is smaller than the sum of its proper divisors (150773419776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54489442560 is a wasteful number, since it uses less digits than its factorization.

54489442560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4078 (or 4057 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 51.

The spelling of 54489442560 in words is "fifty-four billion, four hundred eighty-nine million, four hundred forty-two thousand, five hundred sixty".