54423273680 has 40 divisors (see below), whose sum is σ = 133977297672. Its totient is φ = 20488761344.

The previous prime is 54423273643. The next prime is 54423273703. The reversal of 54423273680 is 8637232445.

It can be written as a sum of positive squares in 4 ways, for example, as 7389809296 + 47033464384 = 85964^2 + 216872^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20007197 + ... + 20009916.

Almost surely, 2^54423273680 is an apocalyptic number.

It is an amenable number.

54423273680 is an abundant number, since it is smaller than the sum of its proper divisors (79554023992).

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

54423273680 is a wasteful number, since it uses less digits than its factorization.

54423273680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40017143 (or 40017137 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 54423273680 in words is "fifty-four billion, four hundred twenty-three million, two hundred seventy-three thousand, six hundred eighty".