53311305049 has 2 divisors, whose sum is σ = 53311305050. Its totient is φ = 53311305048.

The previous prime is 53311305041. The next prime is 53311305083. The reversal of 53311305049 is 94050311335.

It is a happy number.

It is an a-pointer prime, because the next prime (53311305083) can be obtained adding 53311305049 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30779193600 + 22532111449 = 175440^2 + 150107^2 .

It is a cyclic number.

It is not a de Polignac number, because 53311305049 - 2³ = 53311305041 is a prime.

It is not a weakly prime, because it can be changed into another prime (53311305041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26655652524 + 26655652525.

It is an arithmetic number, because the mean of its divisors is an integer number (26655652525).

Almost surely, 2^53311305049 is an apocalyptic number.

It is an amenable number.

53311305049 is a deficient number, since it is larger than the sum of its proper divisors (1).

53311305049 is an equidigital number, since it uses as much as digits as its factorization.

53311305049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 34.

The spelling of 53311305049 in words is "fifty-three billion, three hundred eleven million, three hundred five thousand, forty-nine".