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55055555549976 = 233113229230938393
BaseRepresentation
bin11001000010010100111101…
…10101001101101100011000
321012221021000022211202001010
430201022132311031230120
524204012234210044401
6313032101214053520
714411426663521602
oct1441123665155430
9235837008752033
1055055555549976
11165a6a258a3613
1262121761aa2a0
13249494151a227
14d849bb478172
156571c4819ed6
hex32129ed4db18

55055555549976 has 128 divisors (see below), whose sum is σ = 139527328248000. Its totient is φ = 18101701459968.

The previous prime is 55055555549971. The next prime is 55055555550067. The reversal of 55055555549976 is 67994555555055.

It is a super-2 number, since 2×550555555499762 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55055555549898 and 55055555549907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55055555549971) 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, 1433980636 + ... + 1434019028.

Almost surely, 255055555549976 is an apocalyptic number.

It is an amenable number.

55055555549976 is an abundant number, since it is smaller than the sum of its proper divisors (84471772698024).

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

55055555549976 is a wasteful number, since it uses less digits than its factorization.

55055555549976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41053 (or 41049 counting only the distinct ones).

The product of its (nonzero) digits is 5315625000, while the sum is 75.

The spelling of 55055555549976 in words is "fifty-five trillion, fifty-five billion, five hundred fifty-five million, five hundred forty-nine thousand, nine hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 24 113 226 229 339 452 458 678 687 904 916 1356 1374 1832 2309 2712 2748 4618 5496 6927 9236 13854 18472 25877 27708 38393 51754 55416 76786 77631 103508 115179 153572 155262 207016 230358 260917 307144 310524 460716 521834 528761 621048 782751 921432 1043668 1057522 1565502 1586283 2087336 2115044 3131004 3172566 4230088 4338409 6262008 6345132 8676818 8791997 12690264 13015227 17353636 17583994 26030454 26375991 34707272 35167988 52060908 52751982 59749993 70335976 88649437 104121816 105503964 119499986 177298874 179249979 211007928 238999972 265948311 354597748 358499958 477999944 531896622 709195496 716999916 993495661 1063793244 1433999832 1986991322 2127586488 2980486983 3973982644 5960973966 7947965288 10017386381 11921947932 20034772762 20300721073 23843895864 30052159143 40069545524 40601442146 60104318286 60902163219 80139091048 81202884292 120208636572 121804326438 162405768584 240417273144 243608652876 487217305752 2293981481249 4587962962498 6881944443747 9175925924996 13763888887494 18351851849992 27527777774988 55055555549976