56723677 has 2 divisors, whose sum is σ = 56723678. Its totient is φ = 56723676.

The previous prime is 56723669. The next prime is 56723699. The reversal of 56723677 is 77632765.

56723677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33016516 + 23707161 = 5746^2 + 4869^2 .

It is a cyclic number.

It is not a de Polignac number, because 56723677 - 2³ = 56723669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56723657) 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, 28361838 + 28361839.

It is an arithmetic number, because the mean of its divisors is an integer number (28361839).

Almost surely, 2^56723677 is an apocalyptic number.

It is an amenable number.

56723677 is a deficient number, since it is larger than the sum of its proper divisors (1).

56723677 is an equidigital number, since it uses as much as digits as its factorization.

56723677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 370440, while the sum is 43.

The square root of 56723677 is about 7531.5122651430. The cubic root of 56723677 is about 384.2272169627.

The spelling of 56723677 in words is "fifty-six million, seven hundred twenty-three thousand, six hundred seventy-seven".