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54639353 is a prime number
BaseRepresentation
bin1101000001101…
…1101011111001
310210210222002202
43100123223321
5102441424403
65231035545
71232266256
oct320335371
9123728082
1054639353
112892a39a
121636bbb5
13b420ca2
14738442d
154be4688
hex341baf9

54639353 has 2 divisors, whose sum is σ = 54639354. Its totient is φ = 54639352.

The previous prime is 54639349. The next prime is 54639367. The reversal of 54639353 is 35393645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45859984 + 8779369 = 6772^2 + 2963^2 .

It is a cyclic number.

It is not a de Polignac number, because 54639353 - 22 = 54639349 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (54639313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27319676 + 27319677.

It is an arithmetic number, because the mean of its divisors is an integer number (27319677).

Almost surely, 254639353 is an apocalyptic number.

It is an amenable number.

54639353 is a deficient number, since it is larger than the sum of its proper divisors (1).

54639353 is an equidigital number, since it uses as much as digits as its factorization.

54639353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 38.

The square root of 54639353 is about 7391.8436807065. The cubic root of 54639353 is about 379.4621962837.

The spelling of 54639353 in words is "fifty-four million, six hundred thirty-nine thousand, three hundred fifty-three".