Base | Representation |
---|---|
bin | 1101001000100… |
… | …1001100001011 |
3 | 10211122202100222 |
4 | 3102021030023 |
5 | 103100303013 |
6 | 5244420255 |
7 | 1236145034 |
oct | 322111413 |
9 | 124582328 |
10 | 55087883 |
11 | 29106384 |
12 | 1654768b |
13 | b54a1a6 |
14 | 745da8b |
15 | 4c82508 |
hex | 348930b |
55087883 has 2 divisors, whose sum is σ = 55087884. Its totient is φ = 55087882.
The previous prime is 55087873. The next prime is 55087889. The reversal of 55087883 is 38878055.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 55087883 - 210 = 55086859 is a prime.
It is not a weakly prime, because it can be changed into another prime (55087889) 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 as a sum of consecutive naturals, namely, 27543941 + 27543942.
It is an arithmetic number, because the mean of its divisors is an integer number (27543942).
Almost surely, 255087883 is an apocalyptic number.
55087883 is a deficient number, since it is larger than the sum of its proper divisors (1).
55087883 is an equidigital number, since it uses as much as digits as its factorization.
55087883 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 268800, while the sum is 44.
The square root of 55087883 is about 7422.1211927588. The cubic root of 55087883 is about 380.4976927537.
The spelling of 55087883 in words is "fifty-five million, eighty-seven thousand, eight hundred eighty-three".
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