54128727772 has 12 divisors (see below), whose sum is σ = 108257455600. Its totient is φ = 23198026176.

The previous prime is 54128727767. The next prime is 54128727833. The reversal of 54128727772 is 27772782145.

54128727772 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 966584397 + ... + 966584452.

Almost surely, 2^54128727772 is an apocalyptic number.

It is an amenable number.

54128727772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

54128727772 is a wasteful number, since it uses less digits than its factorization.

54128727772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933168860 (or 1933168858 counting only the distinct ones).

The product of its digits is 3073280, while the sum is 52.

The spelling of 54128727772 in words is "fifty-four billion, one hundred twenty-eight million, seven hundred twenty-seven thousand, seven hundred seventy-two".