53524217 has 2 divisors, whose sum is σ = 53524218. Its totient is φ = 53524216.

The previous prime is 53524201. The next prime is 53524253. The reversal of 53524217 is 71242535.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53523856 + 361 = 7316^2 + 19^2 .

It is a cyclic number.

It is not a de Polignac number, because 53524217 - 2⁴ = 53524201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53524217.

It is not a weakly prime, because it can be changed into another prime (53520217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26762108 + 26762109.

It is an arithmetic number, because the mean of its divisors is an integer number (26762109).

Almost surely, 2^53524217 is an apocalyptic number.

It is an amenable number.

53524217 is a deficient number, since it is larger than the sum of its proper divisors (1).

53524217 is an equidigital number, since it uses as much as digits as its factorization.

53524217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8400, while the sum is 29.

The square root of 53524217 is about 7316.0246719103. The cubic root of 53524217 is about 376.8629478823.

The spelling of 53524217 in words is "fifty-three million, five hundred twenty-four thousand, two hundred seventeen".