56632717 has 2 divisors, whose sum is σ = 56632718. Its totient is φ = 56632716.

The previous prime is 56632703. The next prime is 56632757. The reversal of 56632717 is 71723665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56340036 + 292681 = 7506^2 + 541^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56632717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56632757) 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, 28316358 + 28316359.

It is an arithmetic number, because the mean of its divisors is an integer number (28316359).

Almost surely, 2^56632717 is an apocalyptic number.

It is an amenable number.

56632717 is a deficient number, since it is larger than the sum of its proper divisors (1).

56632717 is an equidigital number, since it uses as much as digits as its factorization.

56632717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 37.

The square root of 56632717 is about 7525.4712144822. The cubic root of 56632717 is about 384.0217295465.

The spelling of 56632717 in words is "fifty-six million, six hundred thirty-two thousand, seven hundred seventeen".