56729633 has 2 divisors, whose sum is σ = 56729634. Its totient is φ = 56729632.

The previous prime is 56729627. The next prime is 56729657. The reversal of 56729633 is 33692765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39853969 + 16875664 = 6313^2 + 4108^2 .

It is a cyclic number.

It is not a de Polignac number, because 56729633 - 2¹⁴ = 56713249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (56729623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28364816 + 28364817.

It is an arithmetic number, because the mean of its divisors is an integer number (28364817).

Almost surely, 2^56729633 is an apocalyptic number.

It is an amenable number.

56729633 is a deficient number, since it is larger than the sum of its proper divisors (1).

56729633 is an equidigital number, since it uses as much as digits as its factorization.

56729633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 41.

The square root of 56729633 is about 7531.9076600819. The cubic root of 56729633 is about 384.2406644760.

The spelling of 56729633 in words is "fifty-six million, seven hundred twenty-nine thousand, six hundred thirty-three".