53240355061 has 2 divisors, whose sum is σ = 53240355062. Its totient is φ = 53240355060.

The previous prime is 53240355001. The next prime is 53240355067. The reversal of 53240355061 is 16055304235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47564992836 + 5675362225 = 218094^2 + 75335^2 .

It is a cyclic number.

It is not a de Polignac number, because 53240355061 - 2⁷ = 53240354933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53240355067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26620177530 + 26620177531.

It is an arithmetic number, because the mean of its divisors is an integer number (26620177531).

Almost surely, 2^53240355061 is an apocalyptic number.

It is an amenable number.

53240355061 is a deficient number, since it is larger than the sum of its proper divisors (1).

53240355061 is an equidigital number, since it uses as much as digits as its factorization.

53240355061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 53240355061 its reverse (16055304235), we get a palindrome (69295659296).

The spelling of 53240355061 in words is "fifty-three billion, two hundred forty million, three hundred fifty-five thousand, sixty-one".