Base | Representation |
---|---|
bin | 1101010010101… |
… | …1011101011111 |
3 | 10212220112010000 |
4 | 3110223131133 |
5 | 103233040133 |
6 | 5310545343 |
7 | 1244613600 |
oct | 324533537 |
9 | 125815100 |
10 | 55752543 |
11 | 2951a790 |
12 | 16808253 |
13 | b720892 |
14 | 7593da7 |
15 | 4d64413 |
hex | 352b75f |
55752543 has 60 divisors (see below), whose sum is σ = 105772392. Its totient is φ = 28939680.
The previous prime is 55752533. The next prime is 55752551. The reversal of 55752543 is 34525755.
55752543 is a `hidden beast` number, since 557 + 52 + 54 + 3 = 666.
It is not a de Polignac number, because 55752543 - 216 = 55687007 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 55752498 and 55752507.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55752523) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 43021 + ... + 44297.
Almost surely, 255752543 is an apocalyptic number.
55752543 is a deficient number, since it is larger than the sum of its proper divisors (50019849).
55752543 is a wasteful number, since it uses less digits than its factorization.
55752543 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1314 (or 1298 counting only the distinct ones).
The product of its digits is 105000, while the sum is 36.
The square root of 55752543 is about 7466.7625514677. The cubic root of 55752543 is about 382.0218708639.
It can be divided in two parts, 5575 and 2543, that added together give a palindrome (8118).
The spelling of 55752543 in words is "fifty-five million, seven hundred fifty-two thousand, five hundred forty-three".
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