56662601 has 2 divisors, whose sum is σ = 56662602. Its totient is φ = 56662600.

The previous prime is 56662591. The next prime is 56662603. The reversal of 56662601 is 10626665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42562576 + 14100025 = 6524^2 + 3755^2 .

It is a cyclic number.

It is not a de Polignac number, because 56662601 - 2⁶ = 56662537 is a prime.

It is a Sophie Germain prime.

Together with 56662603, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (56662603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28331300 + 28331301.

It is an arithmetic number, because the mean of its divisors is an integer number (28331301).

Almost surely, 2^56662601 is an apocalyptic number.

It is an amenable number.

56662601 is a deficient number, since it is larger than the sum of its proper divisors (1).

56662601 is an equidigital number, since it uses as much as digits as its factorization.

56662601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 56662601 is about 7527.4564761279. The cubic root of 56662601 is about 384.0892646393.

The spelling of 56662601 in words is "fifty-six million, six hundred sixty-two thousand, six hundred one".