53305547 has 2 divisors, whose sum is σ = 53305548. Its totient is φ = 53305546.

The previous prime is 53305543. The next prime is 53305561. The reversal of 53305547 is 74550335.

53305547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53305547 - 2² = 53305543 is a prime.

It is not a weakly prime, because it can be changed into another prime (53305541) 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, 26652773 + 26652774.

It is an arithmetic number, because the mean of its divisors is an integer number (26652774).

Almost surely, 2^53305547 is an apocalyptic number.

53305547 is a deficient number, since it is larger than the sum of its proper divisors (1).

53305547 is an equidigital number, since it uses as much as digits as its factorization.

53305547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 53305547 is about 7301.0647853584. The cubic root of 53305547 is about 376.3490303448.

The spelling of 53305547 in words is "fifty-three million, three hundred five thousand, five hundred forty-seven".