53545901 has 2 divisors, whose sum is σ = 53545902. Its totient is φ = 53545900.

The previous prime is 53545883. The next prime is 53545907. The reversal of 53545901 is 10954535.

53545901 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., 49140100 + 4405801 = 7010^2 + 2099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53545901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53545907) 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, 26772950 + 26772951.

It is an arithmetic number, because the mean of its divisors is an integer number (26772951).

Almost surely, 2^53545901 is an apocalyptic number.

It is an amenable number.

53545901 is a deficient number, since it is larger than the sum of its proper divisors (1).

53545901 is an equidigital number, since it uses as much as digits as its factorization.

53545901 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 53545901 is about 7317.5064742028. The cubic root of 53545901 is about 376.9138332156.

The spelling of 53545901 in words is "fifty-three million, five hundred forty-five thousand, nine hundred one".