Base | Representation |
---|---|
bin | 1101001100111… |
… | …0100111010001 |
3 | 10212012012102202 |
4 | 3103032213101 |
5 | 103133402431 |
6 | 5254452545 |
7 | 1241441051 |
oct | 323164721 |
9 | 125165382 |
10 | 55372241 |
11 | 2928aa91 |
12 | 16664155 |
13 | b619752 |
14 | 74d5561 |
15 | 4cdb8cb |
hex | 34ce9d1 |
55372241 has 4 divisors (see below), whose sum is σ = 55712112. Its totient is φ = 55032372.
The previous prime is 55372199. The next prime is 55372243. The reversal of 55372241 is 14227355.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-55372241 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (55372243) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169691 + ... + 170016.
It is an arithmetic number, because the mean of its divisors is an integer number (13928028).
Almost surely, 255372241 is an apocalyptic number.
It is an amenable number.
55372241 is a deficient number, since it is larger than the sum of its proper divisors (339871).
55372241 is a wasteful number, since it uses less digits than its factorization.
55372241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 339870.
The product of its digits is 8400, while the sum is 29.
The square root of 55372241 is about 7441.2526499239. The cubic root of 55372241 is about 381.1512661643.
Adding to 55372241 its reverse (14227355), we get a palindrome (69599596).
The spelling of 55372241 in words is "fifty-five million, three hundred seventy-two thousand, two hundred forty-one".
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