| Base | Representation |
|---|---|
| bin | 110011111101010001… |
| … | …010101001110110100 |
| 3 | 12100000000110000000000 |
| 4 | 303331101111032310 |
| 5 | 1403223412132422 |
| 6 | 41343511151300 |
| 7 | 4013332601436 |
| oct | 637521251664 |
| 9 | 170000400000 |
| 10 | 55788786612 |
| 11 | 21729352119 |
| 12 | a98b675530 |
| 13 | 5351156550 |
| 14 | 29b347c656 |
| 15 | 16b7baacac |
| hex | cfd4553b4 |
55788786612 has 132 divisors (see below), whose sum is σ = 157718398180. Its totient is φ = 17164835712.
The previous prime is 55788786607. The next prime is 55788786629. The reversal of 55788786612 is 21668788755.
55788786612 is a `hidden beast` number, since 5 + 5 + 7 + 8 + 8 + 7 + 8 + 6 + 612 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 8171436816 + 47617349796 = 90396^2 + 218214^2 .
It is a super-2 number, since 2×557887866122 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 55788786612.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 3061464 + ... + 3079632.
Almost surely, 255788786612 is an apocalyptic number.
55788786612 is a gapful number since it is divisible by the number (52) formed by its first and last digit.
It is a pronic number, being equal to 236196×236197.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 55788786612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78859199090).
55788786612 is an abundant number, since it is smaller than the sum of its proper divisors (101929611568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55788786612 is a wasteful number, since it uses less digits than its factorization.
55788786612 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18216 (or 18187 counting only the distinct ones).
The product of its digits is 45158400, while the sum is 63.
The spelling of 55788786612 in words is "fifty-five billion, seven hundred eighty-eight million, seven hundred eighty-six thousand, six hundred twelve".
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