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56055055004988 = 223131722541937709
BaseRepresentation
bin11001011111011010101011…
…01001000011010100111100
321100110210220011101211212220
430233231111221003110330
524321401223040124423
6315115200424125340
714543562342644034
oct1457552551032474
9240423804354786
1056055055004988
11169518a721a666
126353a18606850
132537c79b9c8b0
14dbb1172268c4
156731c215b9e3
hex32fb55a4353c

56055055004988 has 96 divisors (see below), whose sum is σ = 149148731833920. Its totient is φ = 16232400629760.

The previous prime is 56055055004981. The next prime is 56055055004999. The reversal of 56055055004988 is 88940055055065.

It is a happy number.

It is a super-2 number, since 2×560550550049882 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56055055004981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59309878 + ... + 60247586.

It is an arithmetic number, because the mean of its divisors is an integer number (1553632623270).

Almost surely, 256055055004988 is an apocalyptic number.

It is an amenable number.

56055055004988 is an abundant number, since it is smaller than the sum of its proper divisors (93093676828932).

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

56055055004988 is a wasteful number, since it uses less digits than its factorization.

56055055004988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960287 (or 960285 counting only the distinct ones).

The product of its (nonzero) digits is 43200000, while the sum is 60.

The spelling of 56055055004988 in words is "fifty-six trillion, fifty-five billion, fifty-five million, four thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 13 17 26 34 39 51 52 68 78 102 156 204 221 442 663 884 1326 2652 22541 45082 67623 90164 135246 270492 293033 383197 586066 766394 879099 937709 1149591 1172132 1532788 1758198 1875418 2299182 2813127 3516396 3750836 4598364 4981561 5626254 9963122 11252508 12190217 14944683 15941053 19926244 24380434 29889366 31882106 36570651 47823159 48760868 59778732 63764212 73141302 95646318 146282604 191292636 207233689 414467378 621701067 828934756 1243402134 2486804268 21136898569 42273797138 63410695707 84547594276 126821391414 253642782828 274779681397 359327275673 549559362794 718654551346 824339044191 1077981827019 1099118725588 1437309102692 1648678088382 2155963654038 3297356176764 4311927308076 4671254583749 9342509167498 14013763751247 18685018334996 28027527502494 56055055004988