Base | Representation |
---|---|
bin | 1101010100110… |
… | …1010001100001 |
3 | 10220011120002120 |
4 | 3111031101201 |
5 | 103302003131 |
6 | 5313534453 |
7 | 1246031433 |
oct | 325152141 |
9 | 126146076 |
10 | 55891041 |
11 | 29604848 |
12 | 16874429 |
13 | b76b92b |
14 | 75cc653 |
15 | 4d90496 |
hex | 354d461 |
55891041 has 4 divisors (see below), whose sum is σ = 74521392. Its totient is φ = 37260692.
The previous prime is 55891039. The next prime is 55891057. The reversal of 55891041 is 14019855.
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 not a de Polignac number, because 55891041 - 21 = 55891039 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 55890993 and 55891011.
It is not an unprimeable number, because it can be changed into a prime (55891001) 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, 9315171 + ... + 9315176.
It is an arithmetic number, because the mean of its divisors is an integer number (18630348).
Almost surely, 255891041 is an apocalyptic number.
It is an amenable number.
55891041 is a deficient number, since it is larger than the sum of its proper divisors (18630351).
55891041 is a wasteful number, since it uses less digits than its factorization.
55891041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18630350.
The product of its (nonzero) digits is 7200, while the sum is 33.
The square root of 55891041 is about 7476.0310994538. The cubic root of 55891041 is about 382.3379432256.
The spelling of 55891041 in words is "fifty-five million, eight hundred ninety-one thousand, forty-one".
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