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55355215300105 = 573151018631613
BaseRepresentation
bin11001001011000011000111…
…11100011100011000001001
321020222220111010112021201011
430211201203330130120021
524223414440104100410
6313421500154323521
714442165560416150
oct1445414374343011
9236886433467634
1055355215300105
1116702018a25076
1262602657295a1
1324b6c889c7846
14d952c732a597
1565edb21b918a
hex325863f1c609

55355215300105 has 16 divisors (see below), whose sum is σ = 78364618159104. Its totient is φ = 36733414760640.

The previous prime is 55355215300103. The next prime is 55355215300109. The reversal of 55355215300105 is 50100351255355.

It is not a de Polignac number, because 55355215300105 - 21 = 55355215300103 is a prime.

It is a super-2 number, since 2×553552153001052 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55355215300103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25509314722 + ... + 25509316891.

It is an arithmetic number, because the mean of its divisors is an integer number (4897788634944).

Almost surely, 255355215300105 is an apocalyptic number.

It is an amenable number.

55355215300105 is a deficient number, since it is larger than the sum of its proper divisors (23009402858999).

55355215300105 is a wasteful number, since it uses less digits than its factorization.

55355215300105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51018631656.

The product of its (nonzero) digits is 281250, while the sum is 40.

The spelling of 55355215300105 in words is "fifty-five trillion, three hundred fifty-five billion, two hundred fifteen million, three hundred thousand, one hundred five".

Divisors: 1 5 7 31 35 155 217 1085 51018631613 255093158065 357130421291 1581577580003 1785652106455 7907887900015 11071043060021 55355215300105