54521526881 has 2 divisors, whose sum is σ = 54521526882. Its totient is φ = 54521526880.

The previous prime is 54521526877. The next prime is 54521527013. The reversal of 54521526881 is 18862512545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41844793600 + 12676733281 = 204560^2 + 112591^2 .

It is a cyclic number.

It is not a de Polignac number, because 54521526881 - 2² = 54521526877 is a prime.

It is a super-2 number, since 2×54521526881² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54521526181) 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, 27260763440 + 27260763441.

It is an arithmetic number, because the mean of its divisors is an integer number (27260763441).

Almost surely, 2^54521526881 is an apocalyptic number.

It is an amenable number.

54521526881 is a deficient number, since it is larger than the sum of its proper divisors (1).

54521526881 is an equidigital number, since it uses as much as digits as its factorization.

54521526881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768000, while the sum is 47.

The spelling of 54521526881 in words is "fifty-four billion, five hundred twenty-one million, five hundred twenty-six thousand, eight hundred eighty-one".