Base | Representation |
---|---|
bin | 110011010001100100… |
… | …010000011001100110 |
3 | 12021002220201201112110 |
4 | 303101210100121212 |
5 | 1400223210100204 |
6 | 41143035301450 |
7 | 3656220311511 |
oct | 632144203146 |
9 | 167086651473 |
10 | 55055550054 |
11 | 2139247169a |
12 | a805baa886 |
13 | 526527ac6b |
14 | 2943d31d78 |
15 | 1673620889 |
hex | cd1910666 |
55055550054 has 64 divisors (see below), whose sum is σ = 116493189120. Its totient is φ = 17326087680.
The previous prime is 55055550049. The next prime is 55055550059. The reversal of 55055550054 is 45005555055.
It is an interprime number because it is at equal distance from previous prime (55055550049) and next prime (55055550059).
It is a super-2 number, since 2×550555500542 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 55055549994 and 55055550021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55055550059) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1002267 + ... + 1055769.
It is an arithmetic number, because the mean of its divisors is an integer number (1820206080).
Almost surely, 255055550054 is an apocalyptic number.
55055550054 is an abundant number, since it is smaller than the sum of its proper divisors (61437639066).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55055550054 is a wasteful number, since it uses less digits than its factorization.
55055550054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53685.
The product of its (nonzero) digits is 312500, while the sum is 39.
The spelling of 55055550054 in words is "fifty-five billion, fifty-five million, five hundred fifty thousand, fifty-four".
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