54217880 has 16 divisors (see below), whose sum is σ = 121990320. Its totient is φ = 21687136.

The previous prime is 54217871. The next prime is 54217921. The reversal of 54217880 is 8871245.

54217880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 54217880.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 677684 + ... + 677763.

It is an arithmetic number, because the mean of its divisors is an integer number (7624395).

Almost surely, 2^54217880 is an apocalyptic number.

It is an amenable number.

54217880 is an abundant number, since it is smaller than the sum of its proper divisors (67772440).

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

54217880 is a wasteful number, since it uses less digits than its factorization.

54217880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355458 (or 1355454 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 54217880 is about 7363.2791608087. The cubic root of 54217880 is about 378.4839876028.

The spelling of 54217880 in words is "fifty-four million, two hundred seventeen thousand, eight hundred eighty".