54698918881 has 2 divisors, whose sum is σ = 54698918882. Its totient is φ = 54698918880.

The previous prime is 54698918839. The next prime is 54698918887. The reversal of 54698918881 is 18881989645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54681613281 + 17305600 = 233841^2 + 4160^2 .

It is a cyclic number.

It is not a de Polignac number, because 54698918881 - 2⁹ = 54698918369 is a prime.

It is a super-2 number, since 2×54698918881² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54698918887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27349459440 + 27349459441.

It is an arithmetic number, because the mean of its divisors is an integer number (27349459441).

Almost surely, 2^54698918881 is an apocalyptic number.

It is an amenable number.

54698918881 is a deficient number, since it is larger than the sum of its proper divisors (1).

54698918881 is an equidigital number, since it uses as much as digits as its factorization.

54698918881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39813120, while the sum is 67.

The spelling of 54698918881 in words is "fifty-four billion, six hundred ninety-eight million, nine hundred eighteen thousand, eight hundred eighty-one".