Base | Representation |
---|---|
bin | 1101000111111… |
… | …0010111010101 |
3 | 10211120111112200 |
4 | 3101332113111 |
5 | 103042343131 |
6 | 5243435113 |
7 | 1235601540 |
oct | 321762725 |
9 | 124514480 |
10 | 55043541 |
11 | 29086033 |
12 | 16525a99 |
13 | b532c57 |
14 | 744b857 |
15 | 4c742e6 |
hex | 347e5d5 |
55043541 has 12 divisors (see below), whose sum is σ = 90865632. Its totient is φ = 31453416.
The previous prime is 55043539. The next prime is 55043557. The reversal of 55043541 is 14534055.
It is not a de Polignac number, because 55043541 - 21 = 55043539 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55043591) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 436791 + ... + 436916.
It is an arithmetic number, because the mean of its divisors is an integer number (7572136).
Almost surely, 255043541 is an apocalyptic number.
It is an amenable number.
55043541 is a deficient number, since it is larger than the sum of its proper divisors (35822091).
55043541 is a wasteful number, since it uses less digits than its factorization.
55043541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 873720 (or 873717 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The square root of 55043541 is about 7419.1334399645. The cubic root of 55043541 is about 380.3955737592.
Adding to 55043541 its reverse (14534055), we get a palindrome (69577596).
It can be divided in two parts, 5504 and 3541, that added together give a triangular number (9045 = T134).
The spelling of 55043541 in words is "fifty-five million, forty-three thousand, five hundred forty-one".
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