Base | Representation |
---|---|
bin | 1101000010011… |
… | …1011101000011 |
3 | 10210220102020000 |
4 | 3100213131003 |
5 | 103000000210 |
6 | 5232051043 |
7 | 1232556636 |
oct | 320473503 |
9 | 123812200 |
10 | 54687555 |
11 | 2896262a |
12 | 16393a83 |
13 | b439c00 |
14 | 7397c1d |
15 | 4c03ac0 |
hex | 3427743 |
54687555 has 120 divisors (see below), whose sum is σ = 114789312. Its totient is φ = 24800256.
The previous prime is 54687553. The next prime is 54687557. The reversal of 54687555 is 55578645.
54687555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (54687553) and next prime (54687557).
It is not a de Polignac number, because 54687555 - 21 = 54687553 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 54687555.
It is not an unprimeable number, because it can be changed into a prime (54687551) 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 119 ways as a sum of consecutive naturals, for example, 1163542 + ... + 1163588.
Almost surely, 254687555 is an apocalyptic number.
54687555 is an abundant number, since it is smaller than the sum of its proper divisors (60101757).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54687555 is a wasteful number, since it uses less digits than its factorization.
54687555 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107 (or 85 counting only the distinct ones).
The product of its digits is 840000, while the sum is 45.
The square root of 54687555 is about 7395.1034475523. The cubic root of 54687555 is about 379.5737487320.
The spelling of 54687555 in words is "fifty-four million, six hundred eighty-seven thousand, five hundred fifty-five".
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