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56159039 is a prime number
BaseRepresentation
bin1101011000111…
…0101100111111
310220200011201102
43112032230333
5103334042124
65323403315
71251225656
oct326165477
9126604642
1056159039
1129778132
121698353b
13b833901
14765c19d
154de4aae
hex358eb3f

56159039 has 2 divisors, whose sum is σ = 56159040. Its totient is φ = 56159038.

The previous prime is 56159027. The next prime is 56159069. The reversal of 56159039 is 93095165.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56159039 is a prime.

It is a super-2 number, since 2×561590392 = 6307675322807042, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 56158993 and 56159011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56159009) 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, 28079519 + 28079520.

It is an arithmetic number, because the mean of its divisors is an integer number (28079520).

Almost surely, 256159039 is an apocalyptic number.

56159039 is a deficient number, since it is larger than the sum of its proper divisors (1).

56159039 is an equidigital number, since it uses as much as digits as its factorization.

56159039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36450, while the sum is 38.

The square root of 56159039 is about 7493.9334798222. The cubic root of 56159039 is about 382.9480735934.

The spelling of 56159039 in words is "fifty-six million, one hundred fifty-nine thousand, thirty-nine".