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55028030025558 = 2361971549998029
BaseRepresentation
bin11001000001100001101100…
…01011101010111101010110
321012211121222000201020000210
430200300312023222331112
524203034401141304213
6313011310014350250
714406433611443352
oct1440606613527526
9235747860636023
1055028030025558
111659629040a727
126208973abb386
1324921759b8785
14d83529918462
156566130790c3
hex320c362eaf56

55028030025558 has 32 divisors (see below), whose sum is σ = 113013456363360. Its totient is φ = 17855977282560.

The previous prime is 55028030025557. The next prime is 55028030025559. The reversal of 55028030025558 is 85552003082055.

55028030025558 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55028030025557) and next prime (55028030025559).

It is a super-3 number, since 3×550280300255583 (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55028030025557) by changing a digit.

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, 774963513 + ... + 775034516.

It is an arithmetic number, because the mean of its divisors is an integer number (3531670511355).

Almost surely, 255028030025558 is an apocalyptic number.

55028030025558 is an abundant number, since it is smaller than the sum of its proper divisors (57985426337802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55028030025558 is a wasteful number, since it uses less digits than its factorization.

55028030025558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549998192.

The product of its (nonzero) digits is 2400000, while the sum is 48.

The spelling of 55028030025558 in words is "fifty-five trillion, twenty-eight billion, thirty million, twenty-five thousand, five hundred fifty-eight".

Divisors: 1 2 3 6 61 97 122 183 194 291 366 582 5917 11834 17751 35502 1549998029 3099996058 4649994087 9299988174 94549879769 150349808813 189099759538 283649639307 300699617626 451049426439 567299278614 902098852878 9171338337593 18342676675186 27514015012779 55028030025558