56655761 has 2 divisors, whose sum is σ = 56655762. Its totient is φ = 56655760.

The previous prime is 56655749. The next prime is 56655773. The reversal of 56655761 is 16755665.

It is a balanced prime because it is at equal distance from previous prime (56655749) and next prime (56655773).

It can be written as a sum of positive squares in only one way, i.e., 30195025 + 26460736 = 5495^2 + 5144^2 .

It is a cyclic number.

It is not a de Polignac number, because 56655761 - 2¹⁰ = 56654737 is a prime.

It is not a weakly prime, because it can be changed into another prime (56655791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28327880 + 28327881.

It is an arithmetic number, because the mean of its divisors is an integer number (28327881).

Almost surely, 2^56655761 is an apocalyptic number.

It is an amenable number.

56655761 is a deficient number, since it is larger than the sum of its proper divisors (1).

56655761 is an equidigital number, since it uses as much as digits as its factorization.

56655761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 189000, while the sum is 41.

The square root of 56655761 is about 7527.0021256806. The cubic root of 56655761 is about 384.0738089640.

The spelling of 56655761 in words is "fifty-six million, six hundred fifty-five thousand, seven hundred sixty-one".