53817027743881 has 2 divisors, whose sum is σ = 53817027743882. Its totient is φ = 53817027743880.

The previous prime is 53817027743827. The next prime is 53817027743893. The reversal of 53817027743881 is 18834772071835.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48738675353481 + 5078352390400 = 6981309^2 + 2253520^2 .

It is a cyclic number.

It is not a de Polignac number, because 53817027743881 - 2³⁵ = 53782668005513 is a prime.

It is a super-2 number, since 2×53817027743881² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53817027743681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26908513871940 + 26908513871941.

It is an arithmetic number, because the mean of its divisors is an integer number (26908513871941).

Almost surely, 2^{53817027743881} is an apocalyptic number.

It is an amenable number.

53817027743881 is a deficient number, since it is larger than the sum of its proper divisors (1).

53817027743881 is an equidigital number, since it uses as much as digits as its factorization.

53817027743881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63221760, while the sum is 64.

The spelling of 53817027743881 in words is "fifty-three trillion, eight hundred seventeen billion, twenty-seven million, seven hundred forty-three thousand, eight hundred eighty-one".