53503201 has 2 divisors, whose sum is σ = 53503202. Its totient is φ = 53503200.

The previous prime is 53503187. The next prime is 53503207. The reversal of 53503201 is 10230535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38688400 + 14814801 = 6220^2 + 3849^2 .

It is a cyclic number.

It is not a de Polignac number, because 53503201 - 2¹¹ = 53501153 is a prime.

It is not a weakly prime, because it can be changed into another prime (53503207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26751600 + 26751601.

It is an arithmetic number, because the mean of its divisors is an integer number (26751601).

Almost surely, 2^53503201 is an apocalyptic number.

It is an amenable number.

53503201 is a deficient number, since it is larger than the sum of its proper divisors (1).

53503201 is an equidigital number, since it uses as much as digits as its factorization.

53503201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 53503201 is about 7314.5882317462. The cubic root of 53503201 is about 376.8136170125.

Adding to 53503201 its reverse (10230535), we get a palindrome (63733736).

The spelling of 53503201 in words is "fifty-three million, five hundred three thousand, two hundred one".