56564467 has 2 divisors, whose sum is σ = 56564468. Its totient is φ = 56564466.

The previous prime is 56564447. The next prime is 56564477. The reversal of 56564467 is 76446565.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56564467 is a prime.

It is not a weakly prime, because it can be changed into another prime (56564447) 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, 28282233 + 28282234.

It is an arithmetic number, because the mean of its divisors is an integer number (28282234).

Almost surely, 2^56564467 is an apocalyptic number.

56564467 is a deficient number, since it is larger than the sum of its proper divisors (1).

56564467 is an equidigital number, since it uses as much as digits as its factorization.

56564467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 43.

The square root of 56564467 is about 7520.9352476936. The cubic root of 56564467 is about 383.8674016825.

The spelling of 56564467 in words is "fifty-six million, five hundred sixty-four thousand, four hundred sixty-seven".