53905217 has 2 divisors, whose sum is σ = 53905218. Its totient is φ = 53905216.

The previous prime is 53905199. The next prime is 53905279. The reversal of 53905217 is 71250935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33825856 + 20079361 = 5816^2 + 4481^2 .

It is a cyclic number.

It is not a de Polignac number, because 53905217 - 2¹⁴ = 53888833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53905297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26952608 + 26952609.

It is an arithmetic number, because the mean of its divisors is an integer number (26952609).

Almost surely, 2^53905217 is an apocalyptic number.

It is an amenable number.

53905217 is a deficient number, since it is larger than the sum of its proper divisors (1).

53905217 is an equidigital number, since it uses as much as digits as its factorization.

53905217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 53905217 is about 7342.0172296175. The cubic root of 53905217 is about 377.7550389780.

The spelling of 53905217 in words is "fifty-three million, nine hundred five thousand, two hundred seventeen".