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56369 is a prime number
BaseRepresentation
bin1101110000110001
32212022202
431300301
53300434
61112545
7323225
oct156061
985282
1056369
1139395
1228755
131c871
1416785
1511a7e
hexdc31

56369 has 2 divisors, whose sum is σ = 56370. Its totient is φ = 56368.

The previous prime is 56359. The next prime is 56377. The reversal of 56369 is 96365.

56369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35344 + 21025 = 188^2 + 145^2 .

It is a cyclic number.

It is not a de Polignac number, because 56369 - 28 = 56113 is a prime.

It is a super-2 number, since 2×563692 = 6354928322, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (56359) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28184 + 28185.

It is an arithmetic number, because the mean of its divisors is an integer number (28185).

256369 is an apocalyptic number.

It is an amenable number.

56369 is a deficient number, since it is larger than the sum of its proper divisors (1).

56369 is an equidigital number, since it uses as much as digits as its factorization.

56369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 29.

The square root of 56369 is about 237.4215659960. The cubic root of 56369 is about 38.3424720912.

The spelling of 56369 in words is "fifty-six thousand, three hundred sixty-nine".