Base | Representation |
---|---|
bin | 1101010100000… |
… | …0001110101101 |
3 | 10220001211210202 |
4 | 3111000032231 |
5 | 103243300423 |
6 | 5312443245 |
7 | 1245416606 |
oct | 325001655 |
9 | 126054722 |
10 | 55837613 |
11 | 29578697 |
12 | 16849525 |
13 | b750510 |
14 | 75b6dad |
15 | 4d7e728 |
hex | 35403ad |
55837613 has 8 divisors (see below), whose sum is σ = 61600056. Its totient is φ = 50284800.
The previous prime is 55837597. The next prime is 55837633. The reversal of 55837613 is 31673855.
It can be written as a sum of positive squares in 4 ways, for example, as 4313929 + 51523684 = 2077^2 + 7178^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 55837613 - 24 = 55837597 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55837633) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51848 + ... + 52913.
It is an arithmetic number, because the mean of its divisors is an integer number (7700007).
Almost surely, 255837613 is an apocalyptic number.
It is an amenable number.
55837613 is a deficient number, since it is larger than the sum of its proper divisors (5762443).
55837613 is a wasteful number, since it uses less digits than its factorization.
55837613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104815.
The product of its digits is 75600, while the sum is 38.
The square root of 55837613 is about 7472.4569587252. The cubic root of 55837613 is about 382.2160747721.
The spelling of 55837613 in words is "fifty-five million, eight hundred thirty-seven thousand, six hundred thirteen".
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