56135867 has 2 divisors, whose sum is σ = 56135868. Its totient is φ = 56135866.

The previous prime is 56135843. The next prime is 56135869. The reversal of 56135867 is 76853165.

56135867 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 is a cyclic number.

It is not a de Polignac number, because 56135867 - 2¹⁶ = 56070331 is a prime.

Together with 56135869, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56135869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28067933 + 28067934.

It is an arithmetic number, because the mean of its divisors is an integer number (28067934).

Almost surely, 2^56135867 is an apocalyptic number.

56135867 is a deficient number, since it is larger than the sum of its proper divisors (1).

56135867 is an equidigital number, since it uses as much as digits as its factorization.

56135867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 41.

The square root of 56135867 is about 7492.3872697559. The cubic root of 56135867 is about 382.8953964485.

The spelling of 56135867 in words is "fifty-six million, one hundred thirty-five thousand, eight hundred sixty-seven".