54025891940808 has 108 divisors (see below), whose sum is σ = 151197797136555. Its totient is φ = 17427083389920.

The previous prime is 54025891940807. The next prime is 54025891940849. The reversal of 54025891940808 is 80804919852045.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

54025891940808 is a `hidden beast` number, since 5 + 4 + 0 + 2 + 589 + 1 + 9 + 40 + 8 + 0 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 27012945970404 + 27012945970404 = 5197398^2 + 5197398^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5197398.

It is not an unprimeable number, because it can be changed into a prime (54025891940807) 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 in 26 ways as a sum of consecutive naturals, for example, 1933418085 + ... + 1933446027.

Almost surely, 2^{54025891940808} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54025891940808

54025891940808 is an abundant number, since it is smaller than the sum of its proper divisors (97171905195747).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54025891940808 is an frugal number, since it uses more digits than its factorization.

54025891940808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55960 (or 27979 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 63.

The spelling of 54025891940808 in words is "fifty-four trillion, twenty-five billion, eight hundred ninety-one million, nine hundred forty thousand, eight hundred eight".