Base | Representation |
---|---|
bin | 1101001001001… |
… | …0010000011111 |
3 | 10211201122022112 |
4 | 3102102100133 |
5 | 103103000043 |
6 | 5245304235 |
7 | 1236361232 |
oct | 322222037 |
9 | 124648275 |
10 | 55125023 |
11 | 29131278 |
12 | 1656507b |
13 | b561075 |
14 | 746d419 |
15 | 4c8d518 |
hex | 349241f |
55125023 has 4 divisors (see below), whose sum is σ = 58026360. Its totient is φ = 52223688.
The previous prime is 55125017. The next prime is 55125053. The reversal of 55125023 is 32052155.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32052155 = 5 ⋅6410431.
It is a cyclic number.
It is not a de Polignac number, because 55125023 - 26 = 55124959 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 55125023.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55125013) 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, 1450640 + ... + 1450677.
It is an arithmetic number, because the mean of its divisors is an integer number (14506590).
Almost surely, 255125023 is an apocalyptic number.
55125023 is a deficient number, since it is larger than the sum of its proper divisors (2901337).
55125023 is a wasteful number, since it uses less digits than its factorization.
55125023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2901336.
The product of its (nonzero) digits is 1500, while the sum is 23.
The square root of 55125023 is about 7424.6227513592. The cubic root of 55125023 is about 380.5831834817.
Adding to 55125023 its reverse (32052155), we get a palindrome (87177178).
The spelling of 55125023 in words is "fifty-five million, one hundred twenty-five thousand, twenty-three".
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