54855420 has 24 divisors (see below), whose sum is σ = 153595344. Its totient is φ = 14628096.

The previous prime is 54855407. The next prime is 54855421. The reversal of 54855420 is 2455845.

54855420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54855421) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 457069 + ... + 457188.

It is an arithmetic number, because the mean of its divisors is an integer number (6399806).

Almost surely, 2^54855420 is an apocalyptic number.

It is an amenable number.

54855420 is an abundant number, since it is smaller than the sum of its proper divisors (98739924).

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

54855420 is a wasteful number, since it uses less digits than its factorization.

54855420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914269 (or 914267 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 54855420 is about 7406.4444911172. Note that the first 4 decimals coincide. The cubic root of 54855420 is about 379.9617228296.

The spelling of 54855420 in words is "fifty-four million, eight hundred fifty-five thousand, four hundred twenty".