56668037 has 2 divisors, whose sum is σ = 56668038. Its totient is φ = 56668036.

The previous prime is 56667983. The next prime is 56668039. The reversal of 56668037 is 73086665.

56668037 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 can be written as a sum of positive squares in only one way, i.e., 51854401 + 4813636 = 7201^2 + 2194^2 .

It is a cyclic number.

It is not a de Polignac number, because 56668037 - 2⁶ = 56667973 is a prime.

It is a super-2 number, since 2×56668037² = 6422532834866738, which contains 22 as substring.

Together with 56668039, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 56667985 and 56668003.

It is a congruent number.

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, 28334018 + 28334019.

It is an arithmetic number, because the mean of its divisors is an integer number (28334019).

Almost surely, 2^56668037 is an apocalyptic number.

It is an amenable number.

56668037 is a deficient number, since it is larger than the sum of its proper divisors (1).

56668037 is an equidigital number, since it uses as much as digits as its factorization.

56668037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 56668037 is about 7527.8175456104. The cubic root of 56668037 is about 384.1015469468.

The spelling of 56668037 in words is "fifty-six million, six hundred sixty-eight thousand, thirty-seven".