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55030555052505 = 3251498207390761
BaseRepresentation
bin11001000001100110011001…
…01011111000100111011001
321012211212110222222212211100
430200303030223320213121
524203110034043140010
6313012404334422013
714406553312016064
oct1440631453704731
9235755428885740
1055030555052505
111659736675785a
126209359661909
132492488b6b466
14d836c90018db
1565670ea9a2c0
hex320cccaf89d9

55030555052505 has 24 divisors (see below), whose sum is σ = 96026471915400. Its totient is φ = 29152651979520.

The previous prime is 55030555052477. The next prime is 55030555052507. The reversal of 55030555052505 is 50525055503055.

55030555052505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 225154046016 + 54805401006489 = 474504^2 + 7403067^2 .

It is not a de Polignac number, because 55030555052505 - 27 = 55030555052377 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (55030555052507) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4103688676 + ... + 4103702085.

It is an arithmetic number, because the mean of its divisors is an integer number (4001102996475).

Almost surely, 255030555052505 is an apocalyptic number.

It is an amenable number.

55030555052505 is a deficient number, since it is larger than the sum of its proper divisors (40995916862895).

55030555052505 is a wasteful number, since it uses less digits than its factorization.

55030555052505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8207390921 (or 8207390918 counting only the distinct ones).

The product of its (nonzero) digits is 2343750, while the sum is 45.

The spelling of 55030555052505 in words is "fifty-five trillion, thirty billion, five hundred fifty-five million, fifty-two thousand, five hundred five".

Divisors: 1 3 5 9 15 45 149 447 745 1341 2235 6705 8207390761 24622172283 41036953805 73866516849 123110861415 369332584245 1222901223389 3668703670167 6114506116945 11006111010501 18343518350835 55030555052505