53556229 has 2 divisors, whose sum is σ = 53556230. Its totient is φ = 53556228.

The previous prime is 53556211. The next prime is 53556241. The reversal of 53556229 is 92265535.

53556229 is nontrivially palindromic in base 15.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33062500 + 20493729 = 5750^2 + 4527^2 .

It is a cyclic number.

It is not a de Polignac number, because 53556229 - 2¹¹ = 53554181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53556289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26778114 + 26778115.

It is an arithmetic number, because the mean of its divisors is an integer number (26778115).

Almost surely, 2^53556229 is an apocalyptic number.

It is an amenable number.

53556229 is a deficient number, since it is larger than the sum of its proper divisors (1).

53556229 is an equidigital number, since it uses as much as digits as its factorization.

53556229 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 53556229 is about 7318.2121450529. The cubic root of 53556229 is about 376.9380648607.

The spelling of 53556229 in words is "fifty-three million, five hundred fifty-six thousand, two hundred twenty-nine".