Base | Representation |
---|---|
bin | 110011101001010110… |
… | …011110011110100000 |
3 | 12022010201121002122022 |
4 | 303221112132132200 |
5 | 1402032333402010 |
6 | 41250412201012 |
7 | 4002134150033 |
oct | 635126363640 |
9 | 168121532568 |
10 | 55454590880 |
11 | 215777419a7 |
12 | a8b7769168 |
13 | 52c9b44ab0 |
14 | 2980d2701a |
15 | 1698694d55 |
hex | ce959e7a0 |
55454590880 has 96 divisors (see below), whose sum is σ = 143480937600. Its totient is φ = 20128453632.
The previous prime is 55454590853. The next prime is 55454590889. The reversal of 55454590880 is 8809545455.
It is not an unprimeable number, because it can be changed into a prime (55454590889) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103220 + ... + 348659.
It is an arithmetic number, because the mean of its divisors is an integer number (1494593100).
Almost surely, 255454590880 is an apocalyptic number.
It is an amenable number.
55454590880 is an abundant number, since it is smaller than the sum of its proper divisors (88026346720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55454590880 is a wasteful number, since it uses less digits than its factorization.
55454590880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 451966 (or 451958 counting only the distinct ones).
The product of its (nonzero) digits is 5760000, while the sum is 53.
The spelling of 55454590880 in words is "fifty-five billion, four hundred fifty-four million, five hundred ninety thousand, eight hundred eighty".
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