53865088789 has 2 divisors, whose sum is σ = 53865088790. Its totient is φ = 53865088788.

The previous prime is 53865088757. The next prime is 53865088819. The reversal of 53865088789 is 98788056835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46229300100 + 7635788689 = 215010^2 + 87383^2 .

It is a cyclic number.

It is not a de Polignac number, because 53865088789 - 2⁵ = 53865088757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53865085789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26932544394 + 26932544395.

It is an arithmetic number, because the mean of its divisors is an integer number (26932544395).

Almost surely, 2^53865088789 is an apocalyptic number.

It is an amenable number.

53865088789 is a deficient number, since it is larger than the sum of its proper divisors (1).

53865088789 is an equidigital number, since it uses as much as digits as its factorization.

53865088789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116121600, while the sum is 67.

The spelling of 53865088789 in words is "fifty-three billion, eight hundred sixty-five million, eighty-eight thousand, seven hundred eighty-nine".