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56063729 is a prime number
BaseRepresentation
bin1101010111011…
…1011011110001
310220111022222102
43111313123301
5103323014404
65321350145
71250351051
oct325673361
9126438872
1056063729
1129712567
1216938355
13b7cc407
147635561
154dc671e
hex35776f1

56063729 has 2 divisors, whose sum is σ = 56063730. Its totient is φ = 56063728.

The previous prime is 56063663. The next prime is 56063731. The reversal of 56063729 is 92736065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35343025 + 20720704 = 5945^2 + 4552^2 .

It is a cyclic number.

It is not a de Polignac number, because 56063729 - 216 = 55998193 is a prime.

It is a Sophie Germain prime.

Together with 56063731, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56063692 and 56063701.

It is not a weakly prime, because it can be changed into another prime (56063929) 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 as a sum of consecutive naturals, namely, 28031864 + 28031865.

It is an arithmetic number, because the mean of its divisors is an integer number (28031865).

Almost surely, 256063729 is an apocalyptic number.

It is an amenable number.

56063729 is a deficient number, since it is larger than the sum of its proper divisors (1).

56063729 is an equidigital number, since it uses as much as digits as its factorization.

56063729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 56063729 is about 7487.5716357174. The cubic root of 56063729 is about 382.7313115255.

The spelling of 56063729 in words is "fifty-six million, sixty-three thousand, seven hundred twenty-nine".