54865321128 has 48 divisors (see below), whose sum is σ = 148629686400. Its totient is φ = 18283996320.

The previous prime is 54865321087. The next prime is 54865321141. The reversal of 54865321128 is 82112356845.

54865321128 is a `hidden beast` number, since 5 + 4 + 86 + 532 + 11 + 28 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 212713 + ... + 393671.

It is an arithmetic number, because the mean of its divisors is an integer number (3096451800).

Almost surely, 2^54865321128 is an apocalyptic number.

It is an amenable number.

54865321128 is an abundant number, since it is smaller than the sum of its proper divisors (93764365272).

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

54865321128 is a wasteful number, since it uses less digits than its factorization.

54865321128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185182 (or 185175 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The spelling of 54865321128 in words is "fifty-four billion, eight hundred sixty-five million, three hundred twenty-one thousand, one hundred twenty-eight".