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55884040987600 = 24527331127307337
BaseRepresentation
bin11001011010011100001000…
…11010010110001111010000
321022212110110220100122102001
430231032010122112033100
524311101003443100400
6314504435104203344
714525326426534000
oct1455160432261720
9238773426318361
1055884040987600
111689631a2751a1
126326850309554
132524ac4b3b327
14db2b32a34000
1566da137b1a6a
hex32d3846963d0

55884040987600 has 960 divisors, whose sum is σ = 163911997849600. Its totient is φ = 18281836339200.

The previous prime is 55884040987589. The next prime is 55884040987601. The reversal of 55884040987600 is 678904048855.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55884040987601) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 165828014632 + ... + 165828014968.

Almost surely, 255884040987600 is an apocalyptic number.

55884040987600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55884040987600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81955998924800).

55884040987600 is an abundant number, since it is smaller than the sum of its proper divisors (108027956862000).

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

55884040987600 is a wasteful number, since it uses less digits than its factorization.

55884040987600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841 (or 816 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 64.

The spelling of 55884040987600 in words is "fifty-five trillion, eight hundred eighty-four billion, forty million, nine hundred eighty-seven thousand, six hundred".