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55439396748288 = 2103271983544937
BaseRepresentation
bin11001001101011111111011…
…00011001011110000000000
321021021221202212202221021100
430212233331203023300000
524231304341031421123
6313524301323054400
714451235635053610
oct1446577543136000
9237257685687240
1055439396748288
1116734797187053
126274639971400
1324c1bb3211147
14d993d156ca40
1566218c800643
hex326bfd8cbc00

55439396748288 has 528 divisors, whose sum is σ = 194898078385920. Its totient is φ = 14825328279552.

The previous prime is 55439396748287. The next prime is 55439396748301. The reversal of 55439396748288 is 88284769393455.

55439396748288 is a `hidden beast` number, since 5 + 5 + 4 + 3 + 9 + 396 + 74 + 82 + 88 = 666.

55439396748288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55439396748287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101462956 + ... + 102007892.

Almost surely, 255439396748288 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 55439396748288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97449039192960).

55439396748288 is an abundant number, since it is smaller than the sum of its proper divisors (139458681637632).

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

55439396748288 is a wasteful number, since it uses less digits than its factorization.

55439396748288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545072 (or 545051 counting only the distinct ones).

The product of its digits is 12541132800, while the sum is 81.

The spelling of 55439396748288 in words is "fifty-five trillion, four hundred thirty-nine billion, three hundred ninety-six million, seven hundred forty-eight thousand, two hundred eighty-eight".