53480243 has 2 divisors, whose sum is σ = 53480244. Its totient is φ = 53480242.

The previous prime is 53480237. The next prime is 53480291. The reversal of 53480243 is 34208435.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53480243 - 2⁴ = 53480227 is a prime.

It is a Sophie Germain prime.

It is equal to p_3197027 and since 53480243 and 3197027 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (53480293) 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, 26740121 + 26740122.

It is an arithmetic number, because the mean of its divisors is an integer number (26740122).

Almost surely, 2^53480243 is an apocalyptic number.

53480243 is a deficient number, since it is larger than the sum of its proper divisors (1).

53480243 is an equidigital number, since it uses as much as digits as its factorization.

53480243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 53480243 is about 7313.0187337378. The cubic root of 53480243 is about 376.7597129189.

Adding to 53480243 its reverse (34208435), we get a palindrome (87688678).

The spelling of 53480243 in words is "fifty-three million, four hundred eighty thousand, two hundred forty-three".