Base | Representation |
---|---|
bin | 1101001000000… |
… | …0111101001011 |
3 | 10211121001002210 |
4 | 3102000331023 |
5 | 103043213110 |
6 | 5244000203 |
7 | 1235644512 |
oct | 322007513 |
9 | 124531083 |
10 | 55054155 |
11 | 29093002 |
12 | 16530063 |
13 | b537a30 |
14 | 7451679 |
15 | 4c77520 |
hex | 3480f4b |
55054155 has 32 divisors (see below), whose sum is σ = 96897024. Its totient is φ = 26522496.
The previous prime is 55054141. The next prime is 55054183. The reversal of 55054155 is 55145055.
It is not a de Polignac number, because 55054155 - 25 = 55054123 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6162 + ... + 12168.
It is an arithmetic number, because the mean of its divisors is an integer number (3028032).
Almost surely, 255054155 is an apocalyptic number.
55054155 is a deficient number, since it is larger than the sum of its proper divisors (41842869).
55054155 is a wasteful number, since it uses less digits than its factorization.
55054155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6075.
The product of its (nonzero) digits is 12500, while the sum is 30.
The square root of 55054155 is about 7419.8487181344. The cubic root of 55054155 is about 380.4200226413.
The spelling of 55054155 in words is "fifty-five million, fifty-four thousand, one hundred fifty-five".
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