Base | Representation |
---|---|
bin | 11001001111010001110101… |
… | …00110010000001001011111 |
3 | 21021111210121210100122202200 |
4 | 30213220322212100021133 |
5 | 24233310111412130210 |
6 | 314012333444222543 |
7 | 14455532244316635 |
oct | 1447507246201137 |
9 | 237453553318680 |
10 | 55500550505055 |
11 | 167587189556a7 |
12 | 628446609aa53 |
13 | 24c78aa9c1336 |
14 | d9c353355355 |
15 | 663a6b4a70c0 |
hex | 327a3a99025f |
55500550505055 has 48 divisors (see below), whose sum is σ = 99430286071584. Its totient is φ = 28616844222720.
The previous prime is 55500550504967. The next prime is 55500550505087. The reversal of 55500550505055 is 55050505500555.
55500550505055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 55500550505055 - 211 = 55500550503007 is a prime.
It is a super-2 number, since 2×555005505050552 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 55500550505055.
It is a congruent number.
It is an unprimeable number.
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, 105896761 + ... + 106419570.
It is an arithmetic number, because the mean of its divisors is an integer number (2071464293158).
Almost surely, 255500550505055 is an apocalyptic number.
55500550505055 is a deficient number, since it is larger than the sum of its proper divisors (43929735566529).
55500550505055 is a wasteful number, since it uses less digits than its factorization.
55500550505055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 212316536 (or 212316533 counting only the distinct ones).
The product of its (nonzero) digits is 1953125, while the sum is 45.
The spelling of 55500550505055 in words is "fifty-five trillion, five hundred billion, five hundred fifty million, five hundred five thousand, fifty-five".
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