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55513443024 = 243213291022573
BaseRepresentation
bin110011101100110110…
…111110101011010000
312022021211100002121100
4303230312332223100
51402142420134044
641300313424400
74003450323444
oct635466765320
9168254302540
1055513443024
11215a7989436
12a91340b100
1353090ac450
142988a86824
15169d91c869
hexcecdbead0

55513443024 has 120 divisors (see below), whose sum is σ = 173080875240. Its totient is φ = 16492041216.

The previous prime is 55513443001. The next prime is 55513443031. The reversal of 55513443024 is 42034431555.

55513443024 is a `hidden beast` number, since 5 + 5 + 5 + 1 + 344 + 302 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 10088193600 + 45425249424 = 100440^2 + 213132^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 55513443024.

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, 456999 + ... + 565574.

It is an arithmetic number, because the mean of its divisors is an integer number (1442340627).

Almost surely, 255513443024 is an apocalyptic number.

It is an amenable number.

55513443024 is an abundant number, since it is smaller than the sum of its proper divisors (117567432216).

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

55513443024 is a wasteful number, since it uses less digits than its factorization.

55513443024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022629 (or 1022620 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 55513443024 its reverse (42034431555), we get a palindrome (97547874579).

The spelling of 55513443024 in words is "fifty-five billion, five hundred thirteen million, four hundred forty-three thousand, twenty-four".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 29 36 39 48 52 58 72 78 87 104 116 117 144 156 174 208 232 234 261 312 348 377 464 468 522 624 696 754 936 1044 1131 1392 1508 1872 2088 2262 3016 3393 4176 4524 6032 6786 9048 13572 18096 27144 54288 1022573 2045146 3067719 4090292 6135438 8180584 9203157 12270876 13293449 16361168 18406314 24541752 26586898 29654617 36812628 39880347 49083504 53173796 59309234 73625256 79760694 88963851 106347592 118618468 119641041 147250512 159521388 177927702 212695184 237236936 239282082 266891553 319042776 355855404 385510021 474473872 478564164 533783106 638085552 711710808 771020042 957128328 1067566212 1156530063 1423421616 1542040084 1914256656 2135132424 2313060126 3084080168 3469590189 4270264848 4626120252 6168160336 6939180378 9252240504 13878360756 18504481008 27756721512 55513443024