54948017871881 has 2 divisors, whose sum is σ = 54948017871882. Its totient is φ = 54948017871880.

The previous prime is 54948017871853. The next prime is 54948017871893. The reversal of 54948017871881 is 18817871084945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50984669526025 + 3963348345856 = 7140355^2 + 1990816^2 .

It is a cyclic number.

It is not a de Polignac number, because 54948017871881 - 2¹⁰ = 54948017870857 is a prime.

It is a super-2 number, since 2×54948017871881² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54948017871841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27474008935940 + 27474008935941.

It is an arithmetic number, because the mean of its divisors is an integer number (27474008935941).

Almost surely, 2^{54948017871881} is an apocalyptic number.

It is an amenable number.

54948017871881 is a deficient number, since it is larger than the sum of its proper divisors (1).

54948017871881 is an equidigital number, since it uses as much as digits as its factorization.

54948017871881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144506880, while the sum is 71.

The spelling of 54948017871881 in words is "fifty-four trillion, nine hundred forty-eight billion, seventeen million, eight hundred seventy-one thousand, eight hundred eighty-one".