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550505555556 = 22311109151253387
BaseRepresentation
bin10000000001011001011…
…00000010011001100100
31221121221200022202201020
420000230230002121210
533004413410234211
61100522044331140
754526020005115
oct10005454023144
91847850282636
10550505555556
111a2517041960
128a837243ab0
133cbb28694a8
141c904b5420c
15e4bea8c306
hex802cb02664

550505555556 has 96 divisors (see below), whose sum is σ = 1423513512960. Its totient is φ = 164194128000.

The previous prime is 550505555531. The next prime is 550505555569. The reversal of 550505555556 is 655555505055.

It is a junction number, because it is equal to n+sod(n) for n = 550505555499 and 550505555508.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2045895 + ... + 2299281.

It is an arithmetic number, because the mean of its divisors is an integer number (14828265760).

Almost surely, 2550505555556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550505555556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (711756756480).

550505555556 is an abundant number, since it is smaller than the sum of its proper divisors (873007957404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550505555556 is a wasteful number, since it uses less digits than its factorization.

550505555556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253665 (or 253663 counting only the distinct ones).

The product of its (nonzero) digits is 11718750, while the sum is 51.

The spelling of 550505555556 in words is "five hundred fifty billion, five hundred five million, five hundred fifty-five thousand, five hundred fifty-six".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 109 132 151 218 302 327 436 453 604 654 906 1199 1308 1661 1812 2398 3322 3597 4796 4983 6644 7194 9966 14388 16459 19932 32918 49377 65836 98754 181049 197508 253387 362098 506774 543147 724196 760161 1013548 1086294 1520322 2172588 2787257 3040644 5574514 8361771 11149028 16723542 27619183 33447084 38261437 55238366 76522874 82857549 110476732 114784311 153045748 165715098 229568622 303811013 331430196 420875807 459137244 607622026 841751614 911433039 1215244052 1262627421 1683503228 1822866078 2525254842 3645732156 4170496633 5050509684 8340993266 12511489899 16681986532 25022979798 45875462963 50045959596 91750925926 137626388889 183501851852 275252777778 550505555556