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55043333304544 = 25136121091132887
BaseRepresentation
bin11001000001111110001100…
…10101000011000011100000
321012220002110112112100021101
430200333012111003003200
524203312221311221134
6313022320325004144
714410515053250154
oct1440770625030340
9235802415470241
1055043333304544
11165a1823745732
12620b924b53654
13249374430cc40
14d8417c127064
15656c0b7e8e14
hex320fc65430e0

55043333304544 has 288 divisors, whose sum is σ = 120836921325120. Its totient is φ = 24531291832320.

The previous prime is 55043333304481. The next prime is 55043333304559. The reversal of 55043333304544 is 44540333334055.

It is a junction number, because it is equal to n+sod(n) for n = 55043333304494 and 55043333304503.

It is a congruent number.

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 19065926269 + ... + 19065929155.

It is an arithmetic number, because the mean of its divisors is an integer number (419572643490).

Almost surely, 255043333304544 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 55043333304544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60418460662560).

55043333304544 is an abundant number, since it is smaller than the sum of its proper divisors (65793588020576).

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

55043333304544 is a wasteful number, since it uses less digits than its factorization.

55043333304544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254 (or 3185 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 46.

Adding to 55043333304544 its reverse (44540333334055), we get a palindrome (99583666638599).

The spelling of 55043333304544 in words is "fifty-five trillion, forty-three billion, three hundred thirty-three million, three hundred four thousand, five hundred forty-four".