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540053545553 = 2771949651789
BaseRepresentation
bin1111101101111011011…
…00110010001001010001
31220121222021000122102122
413312331230302021101
532322012201424203
61052032553424025
754006013252544
oct7667554621121
91817867018378
10540053545553
11199043169065
12887baa0b015
133bc0832a4a2
141c1d296c85b
15e0ac195538
hex7dbdb32251

540053545553 has 4 divisors (see below), whose sum is σ = 542003197620. Its totient is φ = 538103893488.

The previous prime is 540053545531. The next prime is 540053545631. The reversal of 540053545553 is 355545350045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 345971005249 + 194082540304 = 588193^2 + 440548^2 .

It is a cyclic number.

It is not a de Polignac number, because 540053545553 - 210 = 540053544529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540053545513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 974825618 + ... + 974826171.

It is an arithmetic number, because the mean of its divisors is an integer number (135500799405).

Almost surely, 2540053545553 is an apocalyptic number.

It is an amenable number.

540053545553 is a deficient number, since it is larger than the sum of its proper divisors (1949652067).

540053545553 is a wasteful number, since it uses less digits than its factorization.

540053545553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949652066.

The product of its (nonzero) digits is 2250000, while the sum is 44.

Adding to 540053545553 its reverse (355545350045), we get a palindrome (895598895598).

The spelling of 540053545553 in words is "five hundred forty billion, fifty-three million, five hundred forty-five thousand, five hundred fifty-three".

Divisors: 1 277 1949651789 540053545553