56018429 has 2 divisors, whose sum is σ = 56018430. Its totient is φ = 56018428.

The previous prime is 56018399. The next prime is 56018437. The reversal of 56018429 is 92481065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42549529 + 13468900 = 6523^2 + 3670^2 .

It is a cyclic number.

It is not a de Polignac number, because 56018429 - 2⁸ = 56018173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56018449) 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, 28009214 + 28009215.

It is an arithmetic number, because the mean of its divisors is an integer number (28009215).

Almost surely, 2^56018429 is an apocalyptic number.

It is an amenable number.

56018429 is a deficient number, since it is larger than the sum of its proper divisors (1).

56018429 is an equidigital number, since it uses as much as digits as its factorization.

56018429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 56018429 is about 7484.5460116162. The cubic root of 56018429 is about 382.6282002953.

The spelling of 56018429 in words is "fifty-six million, eighteen thousand, four hundred twenty-nine".