53215556432327 has 2 divisors, whose sum is σ = 53215556432328. Its totient is φ = 53215556432326.

The previous prime is 53215556432321. The next prime is 53215556432369. The reversal of 53215556432327 is 72323465551235.

53215556432327 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53215556432327 - 2²⁴ = 53215539655111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53215556432321) 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, 26607778216163 + 26607778216164.

It is an arithmetic number, because the mean of its divisors is an integer number (26607778216164).

Almost surely, 2^{53215556432327} is an apocalyptic number.

53215556432327 is a deficient number, since it is larger than the sum of its proper divisors (1).

53215556432327 is an equidigital number, since it uses as much as digits as its factorization.

53215556432327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680000, while the sum is 53.

The spelling of 53215556432327 in words is "fifty-three trillion, two hundred fifteen billion, five hundred fifty-six million, four hundred thirty-two thousand, three hundred twenty-seven".