54381819672 has 24 divisors (see below), whose sum is σ = 147284095140. Its totient is φ = 18127273200.

The previous prime is 54381819647. The next prime is 54381819677. The reversal of 54381819672 is 27691818345.

54381819672 is a `hidden beast` number, since 5 + 4 + 381 + 8 + 196 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54381819677) 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 5 ways as a sum of consecutive naturals, for example, 377651454 + ... + 377651597.

Almost surely, 2^54381819672 is an apocalyptic number.

It is an amenable number.

54381819672 is an abundant number, since it is smaller than the sum of its proper divisors (92902275468).

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

54381819672 is a wasteful number, since it uses less digits than its factorization.

54381819672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755303063 (or 755303056 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The spelling of 54381819672 in words is "fifty-four billion, three hundred eighty-one million, eight hundred nineteen thousand, six hundred seventy-two".