56585387 has 2 divisors, whose sum is σ = 56585388. Its totient is φ = 56585386.

The previous prime is 56585383. The next prime is 56585407. The reversal of 56585387 is 78358565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56585387 - 2² = 56585383 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56585383) 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, 28292693 + 28292694.

It is an arithmetic number, because the mean of its divisors is an integer number (28292694).

Almost surely, 2^56585387 is an apocalyptic number.

56585387 is a deficient number, since it is larger than the sum of its proper divisors (1).

56585387 is an equidigital number, since it uses as much as digits as its factorization.

56585387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008000, while the sum is 47.

The square root of 56585387 is about 7522.3259036019. The cubic root of 56585387 is about 383.9147194697.

The spelling of 56585387 in words is "fifty-six million, five hundred eighty-five thousand, three hundred eighty-seven".