Base | Representation |
---|---|
bin | 1101000111111… |
… | …1111101000001 |
3 | 10211120211110201 |
4 | 3101333331001 |
5 | 103043100144 |
6 | 5243525201 |
7 | 1235626525 |
oct | 321777501 |
9 | 124524421 |
10 | 55050049 |
11 | 2908aa0a |
12 | 16529801 |
13 | b535bc2 |
14 | 744dd85 |
15 | 4c761d4 |
hex | 347ff41 |
55050049 has 4 divisors (see below), whose sum is σ = 57947440. Its totient is φ = 52152660.
The previous prime is 55050041. The next prime is 55050067. The reversal of 55050049 is 94005055.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94005055 = 5 ⋅18801011.
It is a cyclic number.
It is not a de Polignac number, because 55050049 - 23 = 55050041 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 55049999 and 55050026.
It is not an unprimeable number, because it can be changed into a prime (55050041) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1448667 + ... + 1448704.
It is an arithmetic number, because the mean of its divisors is an integer number (14486860).
Almost surely, 255050049 is an apocalyptic number.
It is an amenable number.
55050049 is a deficient number, since it is larger than the sum of its proper divisors (2897391).
55050049 is a wasteful number, since it uses less digits than its factorization.
55050049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2897390.
The product of its (nonzero) digits is 4500, while the sum is 28.
The square root of 55050049 is about 7419.5720226978. The cubic root of 55050049 is about 380.4105650237.
The spelling of 55050049 in words is "fifty-five million, fifty thousand, forty-nine".
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