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55500550505055 = 32537157212316331
BaseRepresentation
bin11001001111010001110101…
…00110010000001001011111
321021111210121210100122202200
430213220322212100021133
524233310111412130210
6314012333444222543
714455532244316635
oct1447507246201137
9237453553318680
1055500550505055
11167587189556a7
12628446609aa53
1324c78aa9c1336
14d9c353355355
15663a6b4a70c0
hex327a3a99025f

55500550505055 has 48 divisors (see below), whose sum is σ = 99430286071584. Its totient is φ = 28616844222720.

The previous prime is 55500550504967. The next prime is 55500550505087. The reversal of 55500550505055 is 55050505500555.

55500550505055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55500550505055 - 211 = 55500550503007 is a prime.

It is a super-2 number, since 2×555005505050552 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 55500550505055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105896761 + ... + 106419570.

It is an arithmetic number, because the mean of its divisors is an integer number (2071464293158).

Almost surely, 255500550505055 is an apocalyptic number.

55500550505055 is a deficient number, since it is larger than the sum of its proper divisors (43929735566529).

55500550505055 is a wasteful number, since it uses less digits than its factorization.

55500550505055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212316536 (or 212316533 counting only the distinct ones).

The product of its (nonzero) digits is 1953125, while the sum is 45.

The spelling of 55500550505055 in words is "fifty-five trillion, five hundred billion, five hundred fifty million, five hundred five thousand, fifty-five".

Divisors: 1 3 5 9 15 37 45 111 157 185 333 471 555 785 1413 1665 2355 5809 7065 17427 29045 52281 87135 261405 212316331 636948993 1061581655 1910846979 3184744965 7855704247 9554234895 23567112741 33333663967 39278521235 70701338223 100000991901 117835563705 166668319835 300002975703 353506691115 500004959505 1233345566779 1500014878515 3700036700337 6166727833895 11100110101011 18500183501685 55500550505055