53248457 has 2 divisors, whose sum is σ = 53248458. Its totient is φ = 53248456.

The previous prime is 53248453. The next prime is 53248477. The reversal of 53248457 is 75484235.

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., 48664576 + 4583881 = 6976^2 + 2141^2 .

It is a cyclic number.

It is not a de Polignac number, because 53248457 - 2² = 53248453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53248457.

It is not a weakly prime, because it can be changed into another prime (53248453) 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, 26624228 + 26624229.

It is an arithmetic number, because the mean of its divisors is an integer number (26624229).

Almost surely, 2^53248457 is an apocalyptic number.

It is an amenable number.

53248457 is a deficient number, since it is larger than the sum of its proper divisors (1).

53248457 is an equidigital number, since it uses as much as digits as its factorization.

53248457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 38.

The square root of 53248457 is about 7297.1540342794. The cubic root of 53248457 is about 376.2146263142.

The spelling of 53248457 in words is "fifty-three million, two hundred forty-eight thousand, four hundred fifty-seven".