56665027 has 2 divisors, whose sum is σ = 56665028. Its totient is φ = 56665026.

The previous prime is 56664997. The next prime is 56665057. The reversal of 56665027 is 72056665.

56665027 is nontrivially palindromic in base 9.

It is a balanced prime because it is at equal distance from previous prime (56664997) and next prime (56665057).

It is a cyclic number.

It is not a de Polignac number, because 56665027 - 2⁷ = 56664899 is a prime.

It is not a weakly prime, because it can be changed into another prime (56665057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28332513 + 28332514.

It is an arithmetic number, because the mean of its divisors is an integer number (28332514).

Almost surely, 2^56665027 is an apocalyptic number.

56665027 is a deficient number, since it is larger than the sum of its proper divisors (1).

56665027 is an equidigital number, since it uses as much as digits as its factorization.

56665027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 56665027 is about 7527.6176178124. The cubic root of 56665027 is about 384.0947461341.

The spelling of 56665027 in words is "fifty-six million, six hundred sixty-five thousand, twenty-seven".