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55055550055454 = 21373211137474593
BaseRepresentation
bin11001000010010100111101…
…00000010000010000011110
321012221020222221111120222022
430201022132200100100132
524204012231303233304
6313032100500220142
714411426566025564
oct1441123640202036
9235836887446868
1055055550055454
11165a6a22790493
12621217439a652
132494940345330
14d849ba847a34
156571c40d1ebe
hex32129e81041e

55055550055454 has 32 divisors (see below), whose sum is σ = 90581460088224. Its totient is φ = 24943389972480.

The previous prime is 55055550055447. The next prime is 55055550055459. The reversal of 55055550055454 is 45455005555055.

It is a super-2 number, since 2×550555500554542 (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55055550055396 and 55055550055405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55055550055459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68336819 + ... + 69137774.

It is an arithmetic number, because the mean of its divisors is an integer number (2830670627757).

Almost surely, 255055550055454 is an apocalyptic number.

55055550055454 is a deficient number, since it is larger than the sum of its proper divisors (35525910032770).

55055550055454 is a wasteful number, since it uses less digits than its factorization.

55055550055454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137474892.

The product of its (nonzero) digits is 31250000, while the sum is 53.

The spelling of 55055550055454 in words is "fifty-five trillion, fifty-five billion, five hundred fifty million, fifty-five thousand, four hundred fifty-four".

Divisors: 1 2 13 26 73 146 211 422 949 1898 2743 5486 15403 30806 200239 400478 137474593 274949186 1787169709 3574339418 10035645289 20071290578 29007139123 58014278246 130463388757 260926777514 377092808599 754185617198 2117521155979 4235042311958 27527775027727 55055550055454