56182517 has 2 divisors, whose sum is σ = 56182518. Its totient is φ = 56182516.

The previous prime is 56182507. The next prime is 56182519. The reversal of 56182517 is 71528165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55965361 + 217156 = 7481^2 + 466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56182517 is a prime.

Together with 56182519, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_3348656 and since 56182517 and 3348656 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56182519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28091258 + 28091259.

It is an arithmetic number, because the mean of its divisors is an integer number (28091259).

Almost surely, 2^56182517 is an apocalyptic number.

It is an amenable number.

56182517 is a deficient number, since it is larger than the sum of its proper divisors (1).

56182517 is an equidigital number, since it uses as much as digits as its factorization.

56182517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 35.

The square root of 56182517 is about 7495.4997832033. The cubic root of 56182517 is about 383.0014315948.

The spelling of 56182517 in words is "fifty-six million, one hundred eighty-two thousand, five hundred seventeen".