53526026332421 has 2 divisors, whose sum is σ = 53526026332422. Its totient is φ = 53526026332420.

The previous prime is 53526026332381. The next prime is 53526026332453. The reversal of 53526026332421 is 12423362062535.

53526026332421 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., 31592156076100 + 21933870256321 = 5620690^2 + 4683361^2 .

It is a cyclic number.

It is not a de Polignac number, because 53526026332421 - 2¹⁰ = 53526026331397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53526026332481) 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, 26763013166210 + 26763013166211.

It is an arithmetic number, because the mean of its divisors is an integer number (26763013166211).

Almost surely, 2^{53526026332421} is an apocalyptic number.

It is an amenable number.

53526026332421 is a deficient number, since it is larger than the sum of its proper divisors (1).

53526026332421 is an equidigital number, since it uses as much as digits as its factorization.

53526026332421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555200, while the sum is 44.

Adding to 53526026332421 its reverse (12423362062535), we get a palindrome (65949388394956).

The spelling of 53526026332421 in words is "fifty-three trillion, five hundred twenty-six billion, twenty-six million, three hundred thirty-two thousand, four hundred twenty-one".