Base | Representation |
---|---|
bin | 1101010100110… |
… | …0101111010111 |
3 | 10220011110002121 |
4 | 3111030233113 |
5 | 103301420410 |
6 | 5313520411 |
7 | 1246022161 |
oct | 325145727 |
9 | 126143077 |
10 | 55888855 |
11 | 29603140 |
12 | 16873107 |
13 | b76a939 |
14 | 75cb931 |
15 | 4d8e9da |
hex | 354cbd7 |
55888855 has 16 divisors (see below), whose sum is σ = 73895328. Its totient is φ = 40240000.
The previous prime is 55888853. The next prime is 55888879.
It is a happy number.
55888855 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 55888855 - 21 = 55888853 is a prime.
It is a super-2 number, since 2×558888552 = 6247128226422050, which contains 22 as substring.
It is a Duffinian number.
It is a zygodrome in base 10.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55888853) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525 + ... + 10585.
It is an arithmetic number, because the mean of its divisors is an integer number (4618458).
Almost surely, 255888855 is an apocalyptic number.
55888855 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
55888855 is a deficient number, since it is larger than the sum of its proper divisors (18006473).
55888855 is a wasteful number, since it uses less digits than its factorization.
55888855 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10178.
The product of its digits is 2560000, while the sum is 52.
The square root of 55888855 is about 7475.8848974553. The cubic root of 55888855 is about 382.3329585171.
The spelling of 55888855 in words is "fifty-five million, eight hundred eighty-eight thousand, eight hundred fifty-five".
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