56766529 has 2 divisors, whose sum is σ = 56766530. Its totient is φ = 56766528.

The previous prime is 56766517. The next prime is 56766557. The reversal of 56766529 is 92566765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45697600 + 11068929 = 6760^2 + 3327^2 .

It is a cyclic number.

It is not a de Polignac number, because 56766529 - 2¹¹ = 56764481 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56766569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28383264 + 28383265.

It is an arithmetic number, because the mean of its divisors is an integer number (28383265).

Almost surely, 2^56766529 is an apocalyptic number.

It is an amenable number.

56766529 is a deficient number, since it is larger than the sum of its proper divisors (1).

56766529 is an equidigital number, since it uses as much as digits as its factorization.

56766529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 46.

The square root of 56766529 is about 7534.3565750501. The cubic root of 56766529 is about 384.3239476471.

The spelling of 56766529 in words is "fifty-six million, seven hundred sixty-six thousand, five hundred twenty-nine".