56629229 has 2 divisors, whose sum is σ = 56629230. Its totient is φ = 56629228.

The previous prime is 56629217. The next prime is 56629247. The reversal of 56629229 is 92292665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51811204 + 4818025 = 7198^2 + 2195^2 .

It is a cyclic number.

It is not a de Polignac number, because 56629229 - 2²⁰ = 55580653 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56629259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28314614 + 28314615.

It is an arithmetic number, because the mean of its divisors is an integer number (28314615).

Almost surely, 2^56629229 is an apocalyptic number.

It is an amenable number.

56629229 is a deficient number, since it is larger than the sum of its proper divisors (1).

56629229 is an equidigital number, since it uses as much as digits as its factorization.

56629229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 41.

The square root of 56629229 is about 7525.2394646284. The cubic root of 56629229 is about 384.0138454390.

The spelling of 56629229 in words is "fifty-six million, six hundred twenty-nine thousand, two hundred twenty-nine".