53555797660769 has 2 divisors, whose sum is σ = 53555797660770. Its totient is φ = 53555797660768.

The previous prime is 53555797660709. The next prime is 53555797660829. The reversal of 53555797660769 is 96706679755535.

It is a balanced prime because it is at equal distance from previous prime (53555797660709) and next prime (53555797660829).

It can be written as a sum of positive squares in only one way, i.e., 33221217526225 + 20334580134544 = 5763785^2 + 4509388^2 .

It is a cyclic number.

It is not a de Polignac number, because 53555797660769 - 2¹⁶ = 53555797595233 is a prime.

It is a super-2 number, since 2×53555797660769² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53555797660693 and 53555797660702.

It is not a weakly prime, because it can be changed into another prime (53555797660709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26777898830384 + 26777898830385.

It is an arithmetic number, because the mean of its divisors is an integer number (26777898830385).

Almost surely, 2^{53555797660769} is an apocalyptic number.

It is an amenable number.

53555797660769 is a deficient number, since it is larger than the sum of its proper divisors (1).

53555797660769 is an equidigital number, since it uses as much as digits as its factorization.

53555797660769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11252115000, while the sum is 80.

The spelling of 53555797660769 in words is "fifty-three trillion, five hundred fifty-five billion, seven hundred ninety-seven million, six hundred sixty thousand, seven hundred sixty-nine".