56469649 has 2 divisors, whose sum is σ = 56469650. Its totient is φ = 56469648.

The previous prime is 56469643. The next prime is 56469683. The reversal of 56469649 is 94696465.

56469649 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., 43560000 + 12909649 = 6600^2 + 3593^2 .

It is a cyclic number.

It is not a de Polignac number, because 56469649 - 2¹⁷ = 56338577 is a prime.

It is not a weakly prime, because it can be changed into another prime (56469643) 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, 28234824 + 28234825.

It is an arithmetic number, because the mean of its divisors is an integer number (28234825).

Almost surely, 2^56469649 is an apocalyptic number.

It is an amenable number.

56469649 is a deficient number, since it is larger than the sum of its proper divisors (1).

56469649 is an equidigital number, since it uses as much as digits as its factorization.

56469649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 49.

The square root of 56469649 is about 7514.6289994916. The cubic root of 56469649 is about 383.6527917121.

The spelling of 56469649 in words is "fifty-six million, four hundred sixty-nine thousand, six hundred forty-nine".