Base | Representation |
---|---|
bin | 1101001000000… |
… | …0101011110111 |
3 | 10211120222120202 |
4 | 3102000223313 |
5 | 103043144142 |
6 | 5243551115 |
7 | 1235641340 |
oct | 322005367 |
9 | 124528522 |
10 | 55053047 |
11 | 29092195 |
12 | 1652b49b |
13 | b53738a |
14 | 74510c7 |
15 | 4c77032 |
hex | 3480af7 |
55053047 has 4 divisors (see below), whose sum is σ = 62917776. Its totient is φ = 47188320.
The previous prime is 55053041. The next prime is 55053083. The reversal of 55053047 is 74035055.
55053047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74035055 = 5 ⋅14807011.
It is a cyclic number.
It is not a de Polignac number, because 55053047 - 216 = 54987511 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 (55053041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3932354 + ... + 3932367.
It is an arithmetic number, because the mean of its divisors is an integer number (15729444).
Almost surely, 255053047 is an apocalyptic number.
55053047 is a deficient number, since it is larger than the sum of its proper divisors (7864729).
55053047 is an equidigital number, since it uses as much as digits as its factorization.
55053047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7864728.
The product of its (nonzero) digits is 10500, while the sum is 29.
The square root of 55053047 is about 7419.7740531636. The cubic root of 55053047 is about 380.4174705590.
The spelling of 55053047 in words is "fifty-five million, fifty-three thousand, forty-seven".
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