54573981972 has 12 divisors (see below), whose sum is σ = 127339291296. Its totient is φ = 18191327320.

The previous prime is 54573981967. The next prime is 54573982007. The reversal of 54573981972 is 27918937545.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2273915904 + ... + 2273915927.

It is an arithmetic number, because the mean of its divisors is an integer number (10611607608).

Almost surely, 2^54573981972 is an apocalyptic number.

It is an amenable number.

54573981972 is an abundant number, since it is smaller than the sum of its proper divisors (72765309324).

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

54573981972 is a wasteful number, since it uses less digits than its factorization.

54573981972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4547831838 (or 4547831836 counting only the distinct ones).

The product of its digits is 19051200, while the sum is 60.

The spelling of 54573981972 in words is "fifty-four billion, five hundred seventy-three million, nine hundred eighty-one thousand, nine hundred seventy-two".