53455109 has 2 divisors, whose sum is σ = 53455110. Its totient is φ = 53455108.

The previous prime is 53455099. The next prime is 53455133. The reversal of 53455109 is 90155435.

53455109 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 can be written as a sum of positive squares in only one way, i.e., 32092225 + 21362884 = 5665^2 + 4622^2 .

It is a cyclic number.

It is not a de Polignac number, because 53455109 - 2⁸ = 53454853 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53455139) 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, 26727554 + 26727555.

It is an arithmetic number, because the mean of its divisors is an integer number (26727555).

Almost surely, 2^53455109 is an apocalyptic number.

It is an amenable number.

53455109 is a deficient number, since it is larger than the sum of its proper divisors (1).

53455109 is an equidigital number, since it uses as much as digits as its factorization.

53455109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 53455109 is about 7311.3000895874. The cubic root of 53455109 is about 376.7006820074.

The spelling of 53455109 in words is "fifty-three million, four hundred fifty-five thousand, one hundred nine".