55608229 has 2 divisors, whose sum is σ = 55608230. Its totient is φ = 55608228.

The previous prime is 55608211. The next prime is 55608239. The reversal of 55608229 is 92280655.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54420129 + 1188100 = 7377^2 + 1090^2 .

It is a cyclic number.

It is not a de Polignac number, because 55608229 - 2⁵ = 55608197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55608209) 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, 27804114 + 27804115.

It is an arithmetic number, because the mean of its divisors is an integer number (27804115).

Almost surely, 2^55608229 is an apocalyptic number.

It is an amenable number.

55608229 is a deficient number, since it is larger than the sum of its proper divisors (1).

55608229 is an equidigital number, since it uses as much as digits as its factorization.

55608229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 55608229 is about 7457.0925299342. The cubic root of 55608229 is about 381.6919681766.

The spelling of 55608229 in words is "fifty-five million, six hundred eight thousand, two hundred twenty-nine".