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55550122005 = 3573767140443
BaseRepresentation
bin110011101111000010…
…111001100000010101
312022101101100120201010
4303233002321200111
51402231312401010
641304103522433
74004404150320
oct635702714025
9168341316633
1055550122005
1121616660944
12a923759419
1353138824a1
14298d8b37b7
1516a1c65620
hexcef0b9815

55550122005 has 32 divisors (see below), whose sum is σ = 101605054464. Its totient is φ = 25387419456.

The previous prime is 55550121997. The next prime is 55550122007. The reversal of 55550122005 is 50022105555.

55550122005 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 55550122005 - 23 = 55550121997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55550122007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 325314 + ... + 465756.

It is an arithmetic number, because the mean of its divisors is an integer number (3175157952).

Almost surely, 255550122005 is an apocalyptic number.

It is an amenable number.

55550122005 is a deficient number, since it is larger than the sum of its proper divisors (46054932459).

55550122005 is a wasteful number, since it uses less digits than its factorization.

55550122005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144225.

The product of its (nonzero) digits is 12500, while the sum is 30.

The spelling of 55550122005 in words is "fifty-five billion, five hundred fifty million, one hundred twenty-two thousand, five".

Divisors: 1 3 5 7 15 21 35 105 3767 11301 18835 26369 56505 79107 131845 140443 395535 421329 702215 983101 2106645 2949303 4915505 14746515 529048781 1587146343 2645243905 3703341467 7935731715 11110024401 18516707335 55550122005