Base | Representation |
---|---|
bin | 1101001100101… |
… | …0100000010101 |
3 | 10212011100100111 |
4 | 3103022200111 |
5 | 103132333123 |
6 | 5254243021 |
7 | 1241341021 |
oct | 323124025 |
9 | 125140314 |
10 | 55355413 |
11 | 29279383 |
12 | 16656471 |
13 | b611ba9 |
14 | 74cd381 |
15 | 4cd690d |
hex | 34ca815 |
55355413 has 4 divisors (see below), whose sum is σ = 55392480. Its totient is φ = 55318348.
The previous prime is 55355407. The next prime is 55355431. The reversal of 55355413 is 31455355.
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.
It is a cyclic number.
It is not a de Polignac number, because 55355413 - 25 = 55355381 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 (55355473) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16195 + ... + 19312.
It is an arithmetic number, because the mean of its divisors is an integer number (13848120).
Almost surely, 255355413 is an apocalyptic number.
It is an amenable number.
55355413 is a deficient number, since it is larger than the sum of its proper divisors (37067).
55355413 is a wasteful number, since it uses less digits than its factorization.
55355413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37066.
The product of its digits is 22500, while the sum is 31.
The square root of 55355413 is about 7440.1218404002. The cubic root of 55355413 is about 381.1126507663.
The spelling of 55355413 in words is "fifty-five million, three hundred fifty-five thousand, four hundred thirteen".
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