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54550166105545 = 5112343399590441
BaseRepresentation
bin11000110011100111100110…
…10001011110110111001001
321011010221111212102212220121
430121303303101132313021
524122222220010334140
6312004000024223241
714330055653235235
oct1431636321366711
9234127455385817
1054550166105545
1116421660712810
12615023030ab21
13245909b9569a6
14d683565795c5
15648e959a464a
hex319cf345edc9

54550166105545 has 32 divisors (see below), whose sum is σ = 74688051158784. Its totient is φ = 37860301670400.

The previous prime is 54550166105527. The next prime is 54550166105647.

54550166105545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54550166105545 - 27 = 54550166105417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54550166105492 and 54550166105501.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49247476 + ... + 50342965.

It is an arithmetic number, because the mean of its divisors is an integer number (2334001598712).

Almost surely, 254550166105545 is an apocalyptic number.

54550166105545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54550166105545 is a deficient number, since it is larger than the sum of its proper divisors (20137885053239).

54550166105545 is a wasteful number, since it uses less digits than its factorization.

54550166105545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99590913.

The product of its (nonzero) digits is 9000000, while the sum is 52.

The spelling of 54550166105545 in words is "fifty-four trillion, five hundred fifty billion, one hundred sixty-six million, one hundred five thousand, five hundred forty-five".

Divisors: 1 5 11 23 55 115 253 433 1265 2165 4763 9959 23815 49795 109549 547745 99590441 497952205 1095494851 2290580143 5477474255 11452900715 25196381573 43122660953 125981907865 215613304765 474349270483 991821201919 2371746352415 4959106009595 10910033221109 54550166105545