Base | Representation |
---|---|
bin | 1101010001101… |
… | …1001111000101 |
3 | 10212210010221121 |
4 | 3110123033011 |
5 | 103223423320 |
6 | 5305313541 |
7 | 1244216050 |
oct | 324331705 |
9 | 125703847 |
10 | 55686085 |
11 | 29484864 |
12 | 167958b1 |
13 | b6c9560 |
14 | 7577a97 |
15 | 4d4e8aa |
hex | 351b3c5 |
55686085 has 16 divisors (see below), whose sum is σ = 82244736. Its totient is φ = 35247168.
The previous prime is 55686083. The next prime is 55686109. The reversal of 55686085 is 58068655.
It is a cyclic number.
It is not a de Polignac number, because 55686085 - 21 = 55686083 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55686083) 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, 60739 + ... + 61648.
It is an arithmetic number, because the mean of its divisors is an integer number (5140296).
Almost surely, 255686085 is an apocalyptic number.
It is an amenable number.
55686085 is a deficient number, since it is larger than the sum of its proper divisors (26558651).
55686085 is a wasteful number, since it uses less digits than its factorization.
55686085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122412.
The product of its (nonzero) digits is 288000, while the sum is 43.
The square root of 55686085 is about 7462.3109691301. The cubic root of 55686085 is about 381.8700182749.
The spelling of 55686085 in words is "fifty-five million, six hundred eighty-six thousand, eighty-five".
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