56504111 has 2 divisors, whose sum is σ = 56504112. Its totient is φ = 56504110.

The previous prime is 56504051. The next prime is 56504167. The reversal of 56504111 is 11140565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56504111 - 2⁶ = 56504047 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56504411) 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, 28252055 + 28252056.

It is an arithmetic number, because the mean of its divisors is an integer number (28252056).

Almost surely, 2^56504111 is an apocalyptic number.

56504111 is a deficient number, since it is larger than the sum of its proper divisors (1).

56504111 is an equidigital number, since it uses as much as digits as its factorization.

56504111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 56504111 is about 7516.9216438646. The cubic root of 56504111 is about 383.7308203764.

Adding to 56504111 its reverse (11140565), we get a palindrome (67644676).

The spelling of 56504111 in words is "fifty-six million, five hundred four thousand, one hundred eleven".