Base | Representation |
---|---|
bin | 1101010100000… |
… | …0011011110111 |
3 | 10220001212221221 |
4 | 3111000123313 |
5 | 103243312310 |
6 | 5312451211 |
7 | 1245422221 |
oct | 325003367 |
9 | 126055857 |
10 | 55838455 |
11 | 29579292 |
12 | 16849b07 |
13 | b750a0a |
14 | 75b7411 |
15 | 4d7eada |
hex | 35406f7 |
55838455 has 8 divisors (see below), whose sum is σ = 70947792. Its totient is φ = 42043008.
The previous prime is 55838443. The next prime is 55838459. The reversal of 55838455 is 55483855.
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 55838455 - 25 = 55838423 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 (55838459) 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, 328377 + ... + 328546.
It is an arithmetic number, because the mean of its divisors is an integer number (8868474).
Almost surely, 255838455 is an apocalyptic number.
55838455 is a deficient number, since it is larger than the sum of its proper divisors (15109337).
55838455 is a wasteful number, since it uses less digits than its factorization.
55838455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 656945.
The product of its digits is 480000, while the sum is 43.
The square root of 55838455 is about 7472.5132987503. The cubic root of 55838455 is about 382.2179959640.
The spelling of 55838455 in words is "fifty-five million, eight hundred thirty-eight thousand, four hundred fifty-five".
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