56605207 has 2 divisors, whose sum is σ = 56605208. Its totient is φ = 56605206.

The previous prime is 56605177. The next prime is 56605217. The reversal of 56605207 is 70250665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56605207 - 2¹¹ = 56603159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56605217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28302603 + 28302604.

It is an arithmetic number, because the mean of its divisors is an integer number (28302604).

Almost surely, 2^56605207 is an apocalyptic number.

56605207 is a deficient number, since it is larger than the sum of its proper divisors (1).

56605207 is an equidigital number, since it uses as much as digits as its factorization.

56605207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 56605207 is about 7523.6431999398. The cubic root of 56605207 is about 383.9595384704.

The spelling of 56605207 in words is "fifty-six million, six hundred five thousand, two hundred seven".