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54945054945 = 33511371019901
BaseRepresentation
bin110011001010111110…
…110000000011100001
312020211012210222202000
4303022332300003201
51400011413224240
641124051114213
73653406155364
oct631276600341
9166735728660
1054945054945
1121336062020
12a794ba2969
135248401441
1429333ac0db
151668a96430
hexccafb00e1

54945054945 has 128 divisors (see below), whose sum is σ = 110534837760. Its totient is φ = 25660800000.

The previous prime is 54945054919. The next prime is 54945054947.

It is a happy number.

54945054945 is a `hidden beast` number, since 5 + 4 + 9 + 4 + 50 + 549 + 45 = 666.

54945054945 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54945054945 - 29 = 54945054433 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54945054891 and 54945054900.

It is not an unprimeable number, because it can be changed into a prime (54945054947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5544495 + ... + 5554395.

It is an arithmetic number, because the mean of its divisors is an integer number (863553420).

Almost surely, 254945054945 is an apocalyptic number.

54945054945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54945054945 is an abundant number, since it is smaller than the sum of its proper divisors (55589782815).

54945054945 is a wasteful number, since it uses less digits than its factorization.

54945054945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10064 (or 10058 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 54.

The spelling of 54945054945 in words is "fifty-four billion, nine hundred forty-five million, fifty-four thousand, nine hundred forty-five".

Divisors: 1 3 5 9 11 15 27 33 37 45 55 99 101 111 135 165 185 297 303 333 407 495 505 555 909 999 1111 1221 1485 1515 1665 2035 2727 3333 3663 3737 4545 4995 5555 6105 9901 9999 10989 11211 13635 16665 18315 18685 29703 29997 33633 41107 49505 49995 54945 56055 89109 100899 108911 123321 148515 149985 168165 205535 267327 326733 366337 369963 445545 504495 544555 616605 980199 1000001 1099011 1109889 1336635 1633665 1831685 1849815 2940597 3000003 3297033 4029707 4900995 5000005 5495055 5549445 9000009 9891099 11000011 12089121 14702985 15000015 16485165 20148535 27000027 33000033 36267363 37000037 45000045 49455495 55000055 60445605 99000099 108802089 111000111 135000135 165000165 181336815 185000185 297000297 333000333 407000407 495000495 544010445 555000555 999000999 1221001221 1485001485 1665001665 2035002035 3663003663 4995004995 6105006105 10989010989 18315018315 54945054945