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55106009952 = 2537226574409
BaseRepresentation
bin110011010100100100…
…101111101101100000
312021020102200100111120
4303110210233231200
51400324114304302
641152041012240
73660402233100
oct632444575540
9167212610446
1055106009952
11214089a6994
12a81aa84080
1352728677a6
14294a909200
151677c8b9bc
hexcd492fb60

55106009952 has 144 divisors (see below), whose sum is σ = 168371647920. Its totient is φ = 15735078912.

The previous prime is 55106009927. The next prime is 55106010013. The reversal of 55106009952 is 25990060155.

55106009952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12496324 + ... + 12500732.

It is an arithmetic number, because the mean of its divisors is an integer number (1169247555).

Almost surely, 255106009952 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 55106009952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84185823960).

55106009952 is an abundant number, since it is smaller than the sum of its proper divisors (113265637968).

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

55106009952 is a wasteful number, since it uses less digits than its factorization.

55106009952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7093 (or 7078 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 42.

The spelling of 55106009952 in words is "fifty-five billion, one hundred six million, nine thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 84 96 98 112 147 168 196 224 294 336 392 588 672 784 1176 1568 2352 2657 4409 4704 5314 7971 8818 10628 13227 15942 17636 18599 21256 26454 30863 31884 35272 37198 42512 52908 55797 61726 63768 70544 74396 85024 92589 105816 111594 123452 127536 130193 141088 148792 185178 211632 216041 223188 246904 255072 260386 297584 370356 390579 423264 432082 446376 493808 520772 595168 648123 740712 781158 864164 892752 987616 1041544 1296246 1481424 1562316 1728328 1785504 2083088 2592492 2962848 3124632 3456656 4166176 5184984 6249264 6913312 10369968 11714713 12498528 20739936 23429426 35144139 46858852 70288278 82002991 93717704 140576556 164005982 187435408 246008973 281153112 328011964 374870816 492017946 562306224 574020937 656023928 984035892 1124612448 1148041874 1312047856 1722062811 1968071784 2296083748 2624095712 3444125622 3936143568 4592167496 6888251244 7872287136 9184334992 13776502488 18368669984 27553004976 55106009952