56807479 has 2 divisors, whose sum is σ = 56807480. Its totient is φ = 56807478.

The previous prime is 56807459. The next prime is 56807483. The reversal of 56807479 is 97470865.

It is a happy number.

56807479 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 56807479 - 2²³ = 48418871 is a prime.

It is a congruent number.

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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28403739 + 28403740.

It is an arithmetic number, because the mean of its divisors is an integer number (28403740).

Almost surely, 2^56807479 is an apocalyptic number.

56807479 is a deficient number, since it is larger than the sum of its proper divisors (1).

56807479 is an equidigital number, since it uses as much as digits as its factorization.

56807479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 56807479 is about 7537.0736363658. The cubic root of 56807479 is about 384.4163394320.

The spelling of 56807479 in words is "fifty-six million, eight hundred seven thousand, four hundred seventy-nine".