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55025211544530 = 23522931692527451
BaseRepresentation
bin11001000001011100011100…
…01100000001001111010010
321012211100200121020112220120
430200232032030001033102
524203013113123411110
6313010122212451110
714406304015653453
oct1440561614011722
9235740617215816
1055025211544530
111659507445a167
126208308019a96
132491b16aba616
14d8333d48312a
156564ea8dd870
hex320b8e3013d2

55025211544530 has 64 divisors (see below), whose sum is σ = 132679098230400. Its totient is φ = 14604697958400.

The previous prime is 55025211544529. The next prime is 55025211544591. The reversal of 55025211544530 is 3544511252055.

It is a happy number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 20507305 + ... + 23034755.

It is an arithmetic number, because the mean of its divisors is an integer number (2073110909850).

Almost surely, 255025211544530 is an apocalyptic number.

55025211544530 is an abundant number, since it is smaller than the sum of its proper divisors (77653886685870).

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

55025211544530 is a wasteful number, since it uses less digits than its factorization.

55025211544530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530859.

The product of its (nonzero) digits is 600000, while the sum is 42.

Adding to 55025211544530 its reverse (3544511252055), we get a palindrome (58569722796585).

The spelling of 55025211544530 in words is "fifty-five trillion, twenty-five billion, two hundred eleven million, five hundred forty-four thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 229 458 687 1145 1374 2290 3169 3435 6338 6870 9507 15845 19014 31690 47535 95070 725701 1451402 2177103 2527451 3628505 4354206 5054902 7257010 7582353 10885515 12637255 15164706 21771030 25274510 37911765 75823530 578786279 1157572558 1736358837 2893931395 3472717674 5787862790 8009492219 8681794185 16018984438 17363588370 24028476657 40047461095 48056953314 80094922190 120142383285 240284766570 1834173718151 3668347436302 5502521154453 9170868590755 11005042308906 18341737181510 27512605772265 55025211544530