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55321103244 = 223119719122621
BaseRepresentation
bin110011100001011001…
…010000101110001100
312021210102102020000210
4303201121100232030
51401244200300434
641225243122420
73665623422201
oct634131205614
9167712366023
1055321103244
1121509358740
12a87ab13410
1352a82a7a24
14296b2d9ca8
15168bac7ee9
hexce1650b8c

55321103244 has 96 divisors (see below), whose sum is σ = 143020265472. Its totient is φ = 16503552000.

The previous prime is 55321103239. The next prime is 55321103269. The reversal of 55321103244 is 44230112355.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2434254 + ... + 2456874.

It is an arithmetic number, because the mean of its divisors is an integer number (1489794432).

Almost surely, 255321103244 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 55321103244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71510132736).

55321103244 is an abundant number, since it is smaller than the sum of its proper divisors (87699162228).

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

55321103244 is a wasteful number, since it uses less digits than its factorization.

55321103244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22927 (or 22925 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 55321103244 its reverse (44230112355), we get a palindrome (99551215599).

The spelling of 55321103244 in words is "fifty-five billion, three hundred twenty-one million, one hundred three thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 97 132 191 194 291 382 388 573 582 764 1067 1146 1164 2101 2134 2292 3201 4202 4268 6303 6402 8404 12606 12804 18527 22621 25212 37054 45242 55581 67863 74108 90484 111162 135726 203797 222324 248831 271452 407594 497662 611391 746493 815188 995324 1222782 1492986 2194237 2445564 2985972 4320611 4388474 6582711 8641222 8776948 12961833 13165422 17282444 24136607 25923666 26330844 47526721 48273214 51847332 72409821 95053442 96546428 142580163 144819642 190106884 285160326 289639284 419099267 570320652 838198534 1257297801 1676397068 2514595602 4610091937 5029191204 9220183874 13830275811 18440367748 27660551622 55321103244