| Base | Representation |
|---|---|
| bin | 110011010001100010… |
| … | …001010000111000000 |
| 3 | 12021002212200210000002 |
| 4 | 303101202022013000 |
| 5 | 1400223040000000 |
| 6 | 41143015415132 |
| 7 | 3656212531040 |
| oct | 632142120700 |
| 9 | 167085623002 |
| 10 | 55055000000 |
| 11 | 21392126400 |
| 12 | a8059844a8 |
| 13 | 52651177a0 |
| 14 | 2943c2b720 |
| 15 | 16735628d5 |
| hex | cd188a1c0 |
55055000000 has 672 divisors, whose sum is σ = 184744839552. Its totient is φ = 15840000000.
The previous prime is 55054999981. The next prime is 55055000003. The reversal of 55055000000 is 55055.
It is a happy number.
It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55055000003) 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 95 ways as a sum of consecutive naturals, for example, 4234999994 + ... + 4235000006.
It is an arithmetic number, because the mean of its divisors is an integer number (274917916).
Almost surely, 255055000000 is an apocalyptic number.
55055000000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 55055000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92372419776).
55055000000 is an abundant number, since it is smaller than the sum of its proper divisors (129689839552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55055000000 is an frugal number, since it uses more digits than its factorization.
55055000000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89 (or 38 counting only the distinct ones).
The product of its (nonzero) digits is 625, while the sum is 20.
Adding to 55055000000 its reverse (55055), we get a palindrome (55055055055).
55055000000 divided by its reverse (55055) gives a 6-th power (1000000 = 106).
The spelling of 55055000000 in words is "fifty-five billion, fifty-five million", and thus it is an aban number and an uban number.
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