54180217872 has 80 divisors (see below), whose sum is σ = 169655242560. Its totient is φ = 16418246400.

The previous prime is 54180217849. The next prime is 54180217907. The reversal of 54180217872 is 27871208145.

54180217872 is a `hidden beast` number, since 541 + 8 + 0 + 21 + 7 + 87 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5696029 + ... + 5705532.

It is an arithmetic number, because the mean of its divisors is an integer number (2120690532).

Almost surely, 2^54180217872 is an apocalyptic number.

It is an amenable number.

54180217872 is an abundant number, since it is smaller than the sum of its proper divisors (115475024688).

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

54180217872 is a wasteful number, since it uses less digits than its factorization.

54180217872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11401589 (or 11401577 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 45.

The spelling of 54180217872 in words is "fifty-four billion, one hundred eighty million, two hundred seventeen thousand, eight hundred seventy-two".