56466427 has 2 divisors, whose sum is σ = 56466428. Its totient is φ = 56466426.

The previous prime is 56466413. The next prime is 56466433. The reversal of 56466427 is 72466465.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56466427 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56466427.

It is not a weakly prime, because it can be changed into another prime (56466437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28233213 + 28233214.

It is an arithmetic number, because the mean of its divisors is an integer number (28233214).

Almost surely, 2^56466427 is an apocalyptic number.

56466427 is a deficient number, since it is larger than the sum of its proper divisors (1).

56466427 is an equidigital number, since it uses as much as digits as its factorization.

56466427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 40.

The square root of 56466427 is about 7514.4146145924. The cubic root of 56466427 is about 383.6454948555.

The spelling of 56466427 in words is "fifty-six million, four hundred sixty-six thousand, four hundred twenty-seven".