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54443155133 = 292389166417
BaseRepresentation
bin110010101101000100…
…001001111010111101
312012112020101211122002
4302231010021322331
51342444421431013
641002201432045
73635103116543
oct625504117275
9165466354562
1054443155133
11210a8818294
12a674a9b625
1351984326c3
1428c687dd93
1516399a5358
hexcad109ebd

54443155133 has 12 divisors (see below), whose sum is σ = 56530530420. Its totient is φ = 52430359296.

The previous prime is 54443155111. The next prime is 54443155159. The reversal of 54443155133 is 33155134445.

It can be written as a sum of positive squares in 6 ways, for example, as 9287755129 + 45155400004 = 96373^2 + 212498^2 .

It is not a de Polignac number, because 54443155133 - 26 = 54443155069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54443155633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243941 + ... + 410357.

It is an arithmetic number, because the mean of its divisors is an integer number (4710877535).

Almost surely, 254443155133 is an apocalyptic number.

It is an amenable number.

54443155133 is a deficient number, since it is larger than the sum of its proper divisors (2087375287).

54443155133 is a wasteful number, since it uses less digits than its factorization.

54443155133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166864 (or 166835 counting only the distinct ones).

The product of its digits is 216000, while the sum is 38.

Adding to 54443155133 its reverse (33155134445), we get a palindrome (87598289578).

The spelling of 54443155133 in words is "fifty-four billion, four hundred forty-three million, one hundred fifty-five thousand, one hundred thirty-three".

Divisors: 1 29 389 841 11281 166417 327149 4826093 64736213 139956697 1877350177 54443155133