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55611311311654 = 27219241369733521
BaseRepresentation
bin11001010010100000001000…
…11101001100101100100110
321021220101111220100121120221
430221100010131030230212
524242113431143433104
6314135252252514554
714466533064535300
oct1451200435145446
9237811456317527
1055611311311654
11167a06964a6a9a
1262a1a1777ba5a
13250517c9ca757
14da385d5c0970
156668a0283c54
hex32940474cb26

55611311311654 has 96 divisors (see below), whose sum is σ = 102597859599840. Its totient is φ = 22478587084800.

The previous prime is 55611311311651. The next prime is 55611311311669. The reversal of 55611311311654 is 45611311311655.

It is a super-2 number, since 2×556113113116542 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55611311311654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55611311311651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1658982414 + ... + 1659015934.

It is an arithmetic number, because the mean of its divisors is an integer number (1068727704165).

Almost surely, 255611311311654 is an apocalyptic number.

55611311311654 is a deficient number, since it is larger than the sum of its proper divisors (46986548288186).

55611311311654 is a wasteful number, since it uses less digits than its factorization.

55611311311654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37494 (or 37487 counting only the distinct ones).

The product of its digits is 162000, while the sum is 43.

Subtracting from 55611311311654 its reverse (45611311311655), we obtain a palindrome (9999999999999).

The spelling of 55611311311654 in words is "fifty-five trillion, six hundred eleven billion, three hundred eleven million, three hundred eleven thousand, six hundred fifty-four".

Divisors: 1 2 7 14 19 38 49 98 133 241 266 482 931 1687 1862 3374 3697 4579 7394 9158 11809 23618 25879 32053 33521 51758 64106 67042 70243 140486 181153 224371 234647 362306 448742 469294 491701 636899 890977 983402 1273798 1642529 1781954 3285058 3441907 4458293 6236839 6883814 8078561 8916586 12473678 16157122 16928563 31208051 33857126 43657873 56549927 62416102 87315746 113099854 118499941 123927137 153492659 236999882 247854274 306985318 395849489 791698978 829499587 867489959 1074448613 1658999174 1734979918 2148897226 2354615603 4709231206 6072429713 7521140291 12144859426 15042280582 16482309221 29866440017 32964618442 59732880034 115376164547 209065080119 230752329094 418130160238 567462360323 1134924720646 1463455560833 2926911121666 3972236522261 7944473044522 27805655655827 55611311311654