53526026332381 has 2 divisors, whose sum is σ = 53526026332382. Its totient is φ = 53526026332380.

The previous prime is 53526026332309. The next prime is 53526026332421. The reversal of 53526026332381 is 18323362062535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44855622184356 + 8670404148025 = 6697434^2 + 2944555^2 .

It is a cyclic number.

It is not a de Polignac number, because 53526026332381 - 2⁷ = 53526026332253 is a prime.

It is a super-2 number, since 2×53526026332381² (a number of 28 digits) contains 22 as substring.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 26763013166190 + 26763013166191.

It is an arithmetic number, because the mean of its divisors is an integer number (26763013166191).

Almost surely, 2^{53526026332381} is an apocalyptic number.

It is an amenable number.

53526026332381 is a deficient number, since it is larger than the sum of its proper divisors (1).

53526026332381 is an equidigital number, since it uses as much as digits as its factorization.

53526026332381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4665600, while the sum is 49.

The spelling of 53526026332381 in words is "fifty-three trillion, five hundred twenty-six billion, twenty-six million, three hundred thirty-two thousand, three hundred eighty-one".