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55355500161385 = 5191190348953161
BaseRepresentation
bin11001001011000011101001…
…11011000110100101101001
321020222221012222112201220221
430211201310323012211221
524223421031020131020
6313421544332050041
714442205616614414
oct1445416473064551
9236887188481827
1055355500161385
11167021547a9616
126260325003921
1324b7002a24b08
14d953130bcb7b
1565edcc1d76aa
hex325874ec6969

55355500161385 has 16 divisors (see below), whose sum is σ = 69928612853760. Its totient is φ = 41950116743040.

The previous prime is 55355500161373. The next prime is 55355500161391. The reversal of 55355500161385 is 58316100555355.

55355500161385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55355500161385 - 231 = 55353352677737 is a prime.

It is a super-2 number, since 2×553555001613852 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23345796 + ... + 25607365.

It is an arithmetic number, because the mean of its divisors is an integer number (4370538303360).

Almost surely, 255355500161385 is an apocalyptic number.

It is an amenable number.

55355500161385 is a deficient number, since it is larger than the sum of its proper divisors (14573112692375).

55355500161385 is a wasteful number, since it uses less digits than its factorization.

55355500161385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48965088.

The product of its (nonzero) digits is 6750000, while the sum is 52.

The spelling of 55355500161385 in words is "fifty-five trillion, three hundred fifty-five billion, five hundred million, one hundred sixty-one thousand, three hundred eighty-five".

Divisors: 1 5 19 95 11903 59515 226157 1130785 48953161 244765805 930110059 4650550295 582689475383 2913447376915 11071100032277 55355500161385