55271257663537 has 2 divisors, whose sum is σ = 55271257663538. Its totient is φ = 55271257663536.

The previous prime is 55271257663511. The next prime is 55271257663571. The reversal of 55271257663537 is 73536675217255.

55271257663537 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 can be written as a sum of positive squares in only one way, i.e., 48799850804721 + 6471406858816 = 6985689^2 + 2543896^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55271257663537 is a prime.

It is not a weakly prime, because it can be changed into another prime (55271257663637) 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, 27635628831768 + 27635628831769.

It is an arithmetic number, because the mean of its divisors is an integer number (27635628831769).

Almost surely, 2^{55271257663537} is an apocalyptic number.

It is an amenable number.

55271257663537 is a deficient number, since it is larger than the sum of its proper divisors (1).

55271257663537 is an equidigital number, since it uses as much as digits as its factorization.

55271257663537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 277830000, while the sum is 64.

The spelling of 55271257663537 in words is "fifty-five trillion, two hundred seventy-one billion, two hundred fifty-seven million, six hundred sixty-three thousand, five hundred thirty-seven".