Base | Representation |
---|---|
bin | 11001000010001011101000… |
… | …11110101111111011101100 |
3 | 21012220210002111010000200010 |
4 | 30201011310132233323230 |
5 | 24203422011303104130 |
6 | 313025512404533220 |
7 | 14411161643501022 |
oct | 1441056436577354 |
9 | 235823074100603 |
10 | 55050550050540 |
11 | 165a489737a820 |
12 | 62111b99b1210 |
13 | 24943244b4445 |
14 | d84664784712 |
15 | 656ed01790b0 |
hex | 3211747afeec |
55050550050540 has 192 divisors, whose sum is σ = 172215204940800. Its totient is φ = 13027071836160.
The previous prime is 55050550050533. The next prime is 55050550050547. The reversal of 55050550050540 is 4505005505055.
It is an interprime number because it is at equal distance from previous prime (55050550050533) and next prime (55050550050547).
It is not an unprimeable number, because it can be changed into a prime (55050550050547) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1216240 + ... + 10563159.
It is an arithmetic number, because the mean of its divisors is an integer number (896954192400).
Almost surely, 255050550050540 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 55050550050540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86107602470400).
55050550050540 is an abundant number, since it is smaller than the sum of its proper divisors (117164654890260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55050550050540 is a wasteful number, since it uses less digits than its factorization.
55050550050540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11779592 (or 11779590 counting only the distinct ones).
The product of its (nonzero) digits is 312500, while the sum is 39.
Adding to 55050550050540 its reverse (4505005505055), we get a palindrome (59555555555595).
The spelling of 55050550050540 in words is "fifty-five trillion, fifty billion, five hundred fifty million, fifty thousand, five hundred forty".
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