53249897 has 2 divisors, whose sum is σ = 53249898. Its totient is φ = 53249896.

The previous prime is 53249893. The next prime is 53249921. The reversal of 53249897 is 79894235.

It is a happy number.

53249897 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., 35093776 + 18156121 = 5924^2 + 4261^2 .

It is a cyclic number.

It is not a de Polignac number, because 53249897 - 2² = 53249893 is a prime.

It is not a weakly prime, because it can be changed into another prime (53249893) 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, 26624948 + 26624949.

It is an arithmetic number, because the mean of its divisors is an integer number (26624949).

Almost surely, 2^53249897 is an apocalyptic number.

It is an amenable number.

53249897 is a deficient number, since it is larger than the sum of its proper divisors (1).

53249897 is an equidigital number, since it uses as much as digits as its factorization.

53249897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 47.

The square root of 53249897 is about 7297.2527022161. The cubic root of 53249897 is about 376.2180176124.

The spelling of 53249897 in words is "fifty-three million, two hundred forty-nine thousand, eight hundred ninety-seven".