Base | Representation |
---|---|
bin | 1101000111100… |
… | …1111100100001 |
3 | 10211112120201022 |
4 | 3101321330201 |
5 | 103041303231 |
6 | 5243215225 |
7 | 1235465012 |
oct | 321717441 |
9 | 124476638 |
10 | 55025441 |
11 | 29073479 |
12 | 16517515 |
13 | b527943 |
14 | 7445009 |
15 | 4c6dc7b |
hex | 3479f21 |
55025441 has 4 divisors (see below), whose sum is σ = 56922900. Its totient is φ = 53127984.
The previous prime is 55025437. The next prime is 55025479. The reversal of 55025441 is 14452055.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14452055 = 5 ⋅2890411.
It can be written as a sum of positive squares in 2 ways, for example, as 19324816 + 35700625 = 4396^2 + 5975^2 .
It is a cyclic number.
It is not a de Polignac number, because 55025441 - 22 = 55025437 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 55025441.
It is not an unprimeable number, because it can be changed into a prime (55025491) 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, 948686 + ... + 948743.
It is an arithmetic number, because the mean of its divisors is an integer number (14230725).
Almost surely, 255025441 is an apocalyptic number.
It is an amenable number.
55025441 is a deficient number, since it is larger than the sum of its proper divisors (1897459).
55025441 is a wasteful number, since it uses less digits than its factorization.
55025441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1897458.
The product of its (nonzero) digits is 4000, while the sum is 26.
The square root of 55025441 is about 7417.9135206606. The cubic root of 55025441 is about 380.3538739547.
Adding to 55025441 its reverse (14452055), we get a palindrome (69477496).
The spelling of 55025441 in words is "fifty-five million, twenty-five thousand, four hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •