54885405433221 has 40 divisors (see below), whose sum is σ = 91860258197664. Its totient is φ = 32364858221280.

The previous prime is 54885405433219. The next prime is 54885405433259. The reversal of 54885405433221 is 12233450458845.

54885405433221 is a `hidden beast` number, since 5 + 4 + 8 + 8 + 5 + 40 + 543 + 32 + 21 = 666.

It is not a de Polignac number, because 54885405433221 - 2¹ = 54885405433219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54885405433021) 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 in 39 ways as a sum of consecutive naturals, for example, 832396515 + ... + 832462448.

Almost surely, 2^{54885405433221} is an apocalyptic number.

It is an amenable number.

54885405433221 is a deficient number, since it is larger than the sum of its proper divisors (36974852764443).

54885405433221 is a wasteful number, since it uses less digits than its factorization.

54885405433221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664859023 (or 1664859014 counting only the distinct ones).

The product of its (nonzero) digits is 18432000, while the sum is 54.

The spelling of 54885405433221 in words is "fifty-four trillion, eight hundred eighty-five billion, four hundred five million, four hundred thirty-three thousand, two hundred twenty-one".