53655229 has 2 divisors, whose sum is σ = 53655230. Its totient is φ = 53655228.

The previous prime is 53655223. The next prime is 53655269. The reversal of 53655229 is 92255635.

53655229 is nontrivially palindromic in base 9.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53626329 + 28900 = 7323^2 + 170^2 .

It is a cyclic number.

It is not a de Polignac number, because 53655229 - 2⁹ = 53654717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53655223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26827614 + 26827615.

It is an arithmetic number, because the mean of its divisors is an integer number (26827615).

Almost surely, 2^53655229 is an apocalyptic number.

It is an amenable number.

53655229 is a deficient number, since it is larger than the sum of its proper divisors (1).

53655229 is an equidigital number, since it uses as much as digits as its factorization.

53655229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 37.

The square root of 53655229 is about 7324.9729692334. The cubic root of 53655229 is about 377.1701816408.

The spelling of 53655229 in words is "fifty-three million, six hundred fifty-five thousand, two hundred twenty-nine".