56668049 has 2 divisors, whose sum is σ = 56668050. Its totient is φ = 56668048.

The previous prime is 56668039. The next prime is 56668061. The reversal of 56668049 is 94086665.

56668049 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., 56550400 + 117649 = 7520^2 + 343^2 .

It is a cyclic number.

It is not a de Polignac number, because 56668049 - 2¹² = 56663953 is a prime.

It is a super-2 number, since 2×56668049² = 6422535554932802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56668039) 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, 28334024 + 28334025.

It is an arithmetic number, because the mean of its divisors is an integer number (28334025).

Almost surely, 2^56668049 is an apocalyptic number.

It is an amenable number.

56668049 is a deficient number, since it is larger than the sum of its proper divisors (1).

56668049 is an equidigital number, since it uses as much as digits as its factorization.

56668049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 56668049 is about 7527.8183426541. The cubic root of 56668049 is about 384.1015740592.

The spelling of 56668049 in words is "fifty-six million, six hundred sixty-eight thousand, forty-nine".