53420021153069 has 2 divisors, whose sum is σ = 53420021153070. Its totient is φ = 53420021153068.

The previous prime is 53420021152943. The next prime is 53420021153111. The reversal of 53420021153069 is 96035112002435.

53420021153069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35582871359044 + 17837149794025 = 5965138^2 + 4223405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53420021153069 is a prime.

It is a super-3 number, since 3×53420021153069³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53420021173069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26710010576534 + 26710010576535.

It is an arithmetic number, because the mean of its divisors is an integer number (26710010576535).

Almost surely, 2^{53420021153069} is an apocalyptic number.

It is an amenable number.

53420021153069 is a deficient number, since it is larger than the sum of its proper divisors (1).

53420021153069 is an equidigital number, since it uses as much as digits as its factorization.

53420021153069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 53420021153069 in words is "fifty-three trillion, four hundred twenty billion, twenty-one million, one hundred fifty-three thousand, sixty-nine".