56807459 has 2 divisors, whose sum is σ = 56807460. Its totient is φ = 56807458.

The previous prime is 56807449. The next prime is 56807479. The reversal of 56807459 is 95470865.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56807459 - 2²⁰ = 55758883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56807449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28403729 + 28403730.

It is an arithmetic number, because the mean of its divisors is an integer number (28403730).

Almost surely, 2^56807459 is an apocalyptic number.

56807459 is a deficient number, since it is larger than the sum of its proper divisors (1).

56807459 is an equidigital number, since it uses as much as digits as its factorization.

56807459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 56807459 is about 7537.0723095908. The cubic root of 56807459 is about 384.4162943186.

The spelling of 56807459 in words is "fifty-six million, eight hundred seven thousand, four hundred fifty-nine".