53132449 has 2 divisors, whose sum is σ = 53132450. Its totient is φ = 53132448.

The previous prime is 53132413. The next prime is 53132459. The reversal of 53132449 is 94423135.

53132449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51552400 + 1580049 = 7180^2 + 1257^2 .

It is a cyclic number.

It is not a de Polignac number, because 53132449 - 2⁹ = 53131937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53132449.

It is not a weakly prime, because it can be changed into another prime (53132459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26566224 + 26566225.

It is an arithmetic number, because the mean of its divisors is an integer number (26566225).

Almost surely, 2^53132449 is an apocalyptic number.

It is an amenable number.

53132449 is a deficient number, since it is larger than the sum of its proper divisors (1).

53132449 is an equidigital number, since it uses as much as digits as its factorization.

53132449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 53132449 is about 7289.2008478296. The cubic root of 53132449 is about 375.9412184592.

The spelling of 53132449 in words is "fifty-three million, one hundred thirty-two thousand, four hundred forty-nine".