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55165628741760 = 27355599761981
BaseRepresentation
bin11001000101100001111111…
…01101000111100010000000
321020022210010111222020200000
430202300333231013202000
524212313201424214020
6313154423500400000
714422404464311305
oct1442607755074200
9236283114866600
1055165628741760
11166396802947a9
12622b575546000
1324a2133c32684
14d8a0602710ac
15659eb806e090
hex322c3fb47880

55165628741760 has 768 divisors, whose sum is σ = 202971810787200. Its totient is φ = 14312179630080.

The previous prime is 55165628741747. The next prime is 55165628741767. The reversal of 55165628741760 is 6714782656155.

It is a happy number.

55165628741760 is a `hidden beast` number, since 5 + 5 + 1 + 6 + 562 + 8 + 7 + 4 + 1 + 7 + 60 = 666.

It is not an unprimeable number, because it can be changed into a prime (55165628741767) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 890009970 + ... + 890071950.

Almost surely, 255165628741760 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 55165628741760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101485905393600).

55165628741760 is an abundant number, since it is smaller than the sum of its proper divisors (147806182045440).

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

55165628741760 is an equidigital number, since it uses as much as digits as its factorization.

55165628741760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62171 (or 62147 counting only the distinct ones).

The product of its (nonzero) digits is 84672000, while the sum is 63.

The spelling of 55165628741760 in words is "fifty-five trillion, one hundred sixty-five billion, six hundred twenty-eight million, seven hundred forty-one thousand, seven hundred sixty".