Base | Representation |
---|---|
bin | 1101010010010… |
… | …1010110101100 |
3 | 10212212020210200 |
4 | 3110211112230 |
5 | 103231240112 |
6 | 5310233500 |
7 | 1244450640 |
oct | 324452654 |
9 | 125766720 |
10 | 55727532 |
11 | 29502a13 |
12 | 167b5890 |
13 | b712393 |
14 | 7588c20 |
15 | 4d5bcdc |
hex | 35255ac |
55727532 has 144 divisors (see below), whose sum is σ = 172623360. Its totient is φ = 14805504.
The previous prime is 55727521. The next prime is 55727579. The reversal of 55727532 is 23572755.
It is a happy number.
55727532 is a `hidden beast` number, since 55 + 72 + 7 + 532 = 666.
55727532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×557275322 = 6211115645622048, which contains 22 as substring.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 493108 + ... + 493220.
Almost surely, 255727532 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 55727532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86311680).
55727532 is an abundant number, since it is smaller than the sum of its proper divisors (116895828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55727532 is a wasteful number, since it uses less digits than its factorization.
55727532 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 252 (or 247 counting only the distinct ones).
The product of its digits is 73500, while the sum is 36.
The square root of 55727532 is about 7465.0875413487. The cubic root of 55727532 is about 381.9647363810.
It can be divided in two parts, 5572753 and 2, that added together give a palindrome (5572755).
The spelling of 55727532 in words is "fifty-five million, seven hundred twenty-seven thousand, five hundred thirty-two".
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