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54534555543545 = 5711212877108747
BaseRepresentation
bin11000110011001010100001…
…10011111010011111111001
321011002110012221102011121122
430121211100303322133321
524121443232204343140
6311552455015515025
714325664060526540
oct1431452063723771
9234073187364548
1054534555543545
1116415a7a989500
1261491b4388a75
13245778178475c
14d676b521d157
15648880287ab5
hex319950cfa7f9

54534555543545 has 24 divisors (see below), whose sum is σ = 82207462247232. Its totient is φ = 33995567089440.

The previous prime is 54534555543539. The next prime is 54534555543547.

54534555543545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54534555543545 - 212 = 54534555539449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54534555543547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6438550139 + ... + 6438558608.

It is an arithmetic number, because the mean of its divisors is an integer number (3425310926968).

Almost surely, 254534555543545 is an apocalyptic number.

54534555543545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54534555543545 is a deficient number, since it is larger than the sum of its proper divisors (27672906703687).

54534555543545 is a wasteful number, since it uses less digits than its factorization.

54534555543545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12877108781 (or 12877108770 counting only the distinct ones).

The product of its digits is 900000000, while the sum is 62.

The spelling of 54534555543545 in words is "fifty-four trillion, five hundred thirty-four billion, five hundred fifty-five million, five hundred forty-three thousand, five hundred forty-five".

Divisors: 1 5 7 11 35 55 77 121 385 605 847 4235 12877108747 64385543735 90139761229 141648196217 450698806145 708240981085 991537373519 1558130158387 4957686867595 7790650791935 10906911108709 54534555543545