Base | Representation |
---|---|
bin | 1101001011000… |
… | …0111001001110 |
3 | 10211222000110012 |
4 | 3102300321032 |
5 | 103121004020 |
6 | 5252113222 |
7 | 1240423130 |
oct | 322607116 |
9 | 124860405 |
10 | 55250510 |
11 | 29207587 |
12 | 16605812 |
13 | b5a6213 |
14 | 74a3050 |
15 | 4cb57c5 |
hex | 34b0e4e |
55250510 has 64 divisors (see below), whose sum is σ = 124571520. Its totient is φ = 17203200.
The previous prime is 55250497. The next prime is 55250513. The reversal of 55250510 is 1505255.
55250510 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55250513) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 33710 + ... + 35310.
It is an arithmetic number, because the mean of its divisors is an integer number (1946430).
Almost surely, 255250510 is an apocalyptic number.
55250510 is an abundant number, since it is smaller than the sum of its proper divisors (69321010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55250510 is a wasteful number, since it uses less digits than its factorization.
55250510 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1661.
The product of its (nonzero) digits is 1250, while the sum is 23.
The square root of 55250510 is about 7433.0686798926. The cubic root of 55250510 is about 380.8717520605.
Adding to 55250510 its reverse (1505255), we get a palindrome (56755765).
The spelling of 55250510 in words is "fifty-five million, two hundred fifty thousand, five hundred ten".
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