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55146345254358 = 2373139943899687
BaseRepresentation
bin11001000100111110000100…
…10100011100110111010110
321020020221100121200120220220
430202133002110130313112
524212004203341114413
6313141514204335210
714421122562341361
oct1442370224346726
9236227317616826
1055146345254358
1116631485263256
126227893544506
1324a037cb290b7
14d891511c10d8
1565973a188223
hex3227c251cdd6

55146345254358 has 32 divisors (see below), whose sum is σ = 111804472475136. Its totient is φ = 18130155582528.

The previous prime is 55146345254353. The next prime is 55146345254401. The reversal of 55146345254358 is 85345254364155.

55146345254358 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×551463452543582 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55146345254353) 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, 60845191 + ... + 61744877.

It is an arithmetic number, because the mean of its divisors is an integer number (3493889764848).

Almost surely, 255146345254358 is an apocalyptic number.

55146345254358 is an abundant number, since it is smaller than the sum of its proper divisors (56658127220778).

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

55146345254358 is a wasteful number, since it uses less digits than its factorization.

55146345254358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039708.

The product of its digits is 172800000, while the sum is 60.

The spelling of 55146345254358 in words is "fifty-five trillion, one hundred forty-six billion, three hundred forty-five million, two hundred fifty-four thousand, three hundred fifty-eight".

Divisors: 1 2 3 6 73 146 219 438 139943 279886 419829 839658 899687 1799374 2699061 5398122 10215839 20431678 30647517 61295034 65677151 131354302 197031453 394062906 125904897841 251809795682 377714693523 755429387046 9191057542393 18382115084786 27573172627179 55146345254358