Base | Representation |
---|---|
bin | 11001000010010100110111… |
… | …00011011010000101111101 |
3 | 21012221020212111100110222102 |
4 | 30201022123203122011331 |
5 | 24204012131120104100 |
6 | 313032051531154445 |
7 | 14411425425162416 |
oct | 1441123343320575 |
9 | 235836774313872 |
10 | 55055500550525 |
11 | 165a69a7848722 |
12 | 621215b8a5a25 |
13 | 2494933001387 |
14 | d849b403c80d |
15 | 6571beaa3cd5 |
hex | 32129b8da17d |
55055500550525 has 24 divisors (see below), whose sum is σ = 70623431853480. Its totient is φ = 42525318563840.
The previous prime is 55055500550459. The next prime is 55055500550629. The reversal of 55055500550525 is 52505500555055.
55055500550525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 12 ways, for example, as 22648052446009 + 32407448104516 = 4758997^2 + 5692754^2 .
It is not a de Polignac number, because 55055500550525 - 220 = 55055499501949 is a prime.
It is a super-2 number, since 2×550555005505252 (a number of 28 digits) contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 55055500550525.
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 23 ways as a sum of consecutive naturals, for example, 185678789 + ... + 185975061.
It is an arithmetic number, because the mean of its divisors is an integer number (2942642993895).
Almost surely, 255055500550525 is an apocalyptic number.
It is an amenable number.
55055500550525 is a deficient number, since it is larger than the sum of its proper divisors (15567931302955).
55055500550525 is a wasteful number, since it uses less digits than its factorization.
55055500550525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 552625 (or 552620 counting only the distinct ones).
The product of its (nonzero) digits is 3906250, while the sum is 47.
The spelling of 55055500550525 in words is "fifty-five trillion, fifty-five billion, five hundred million, five hundred fifty thousand, five hundred twenty-five".
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