53550304243 has 2 divisors, whose sum is σ = 53550304244. Its totient is φ = 53550304242.

The previous prime is 53550304237. The next prime is 53550304309. The reversal of 53550304243 is 34240305535.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53550304243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53550304199 and 53550304208.

It is not a weakly prime, because it can be changed into another prime (53550304043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26775152121 + 26775152122.

It is an arithmetic number, because the mean of its divisors is an integer number (26775152122).

Almost surely, 2^53550304243 is an apocalyptic number.

53550304243 is a deficient number, since it is larger than the sum of its proper divisors (1).

53550304243 is an equidigital number, since it uses as much as digits as its factorization.

53550304243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 34.

Adding to 53550304243 its reverse (34240305535), we get a palindrome (87790609778).

The spelling of 53550304243 in words is "fifty-three billion, five hundred fifty million, three hundred four thousand, two hundred forty-three".