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54447064425 = 32521318614381
BaseRepresentation
bin110010101101010011…
…000100010101101001
312012112111202110011200
4302231103010111221
51343001422030200
641002421314413
73635151261105
oct625523042551
9165474673150
1054447064425
11210aaa48406
12a676265a09
1351991a0bb0
1428c71ba905
151639ec8800
hexcad4c4569

54447064425 has 36 divisors (see below), whose sum is σ = 105022343244. Its totient is φ = 26804707200.

The previous prime is 54447064409. The next prime is 54447064439. The reversal of 54447064425 is 52446074445.

It is a happy number.

54447064425 is a `hidden beast` number, since 544 + 4 + 7 + 0 + 64 + 42 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 23490773289 + 30956291136 = 153267^2 + 175944^2 .

It is not a de Polignac number, because 54447064425 - 24 = 54447064409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 9304266 + ... + 9310115.

Almost surely, 254447064425 is an apocalyptic number.

It is an amenable number.

54447064425 is a deficient number, since it is larger than the sum of its proper divisors (50575278819).

54447064425 is a wasteful number, since it uses less digits than its factorization.

54447064425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18614410 (or 18614402 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 45.

The spelling of 54447064425 in words is "fifty-four billion, four hundred forty-seven million, sixty-four thousand, four hundred twenty-five".

Divisors: 1 3 5 9 13 15 25 39 45 65 75 117 195 225 325 585 975 2925 18614381 55843143 93071905 167529429 241986953 279215715 465359525 725960859 837647145 1209934765 1396078575 2177882577 3629804295 4188235725 6049673825 10889412885 18149021475 54447064425