53056684789 has 2 divisors, whose sum is σ = 53056684790. Its totient is φ = 53056684788.

The previous prime is 53056684777. The next prime is 53056684819. The reversal of 53056684789 is 98748665035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47505689764 + 5550995025 = 217958^2 + 74505^2 .

It is a cyclic number.

It is not a de Polignac number, because 53056684789 - 2²¹ = 53054587637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53056681789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26528342394 + 26528342395.

It is an arithmetic number, because the mean of its divisors is an integer number (26528342395).

Almost surely, 2^53056684789 is an apocalyptic number.

It is an amenable number.

53056684789 is a deficient number, since it is larger than the sum of its proper divisors (1).

53056684789 is an equidigital number, since it uses as much as digits as its factorization.

53056684789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43545600, while the sum is 61.

The spelling of 53056684789 in words is "fifty-three billion, fifty-six million, six hundred eighty-four thousand, seven hundred eighty-nine".