56863769 has 2 divisors, whose sum is σ = 56863770. Its totient is φ = 56863768.

The previous prime is 56863757. The next prime is 56863811. The reversal of 56863769 is 96736865.

56863769 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., 56625625 + 238144 = 7525^2 + 488^2 .

It is a cyclic number.

It is not a de Polignac number, because 56863769 - 2¹⁶ = 56798233 is a prime.

It is a super-2 number, since 2×56863769² = 6466976449770722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56863739) 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, 28431884 + 28431885.

It is an arithmetic number, because the mean of its divisors is an integer number (28431885).

Almost surely, 2^56863769 is an apocalyptic number.

It is an amenable number.

56863769 is a deficient number, since it is larger than the sum of its proper divisors (1).

56863769 is an equidigital number, since it uses as much as digits as its factorization.

56863769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 50.

The square root of 56863769 is about 7540.8069196870. The cubic root of 56863769 is about 384.5432690361.

The spelling of 56863769 in words is "fifty-six million, eight hundred sixty-three thousand, seven hundred sixty-nine".