54417856 has 56 divisors (see below), whose sum is σ = 112251744. Its totient is φ = 26158080.

The previous prime is 54417851. The next prime is 54417889. The reversal of 54417856 is 65871445.

54417856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×54417856² = 5922606103273472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54417851) 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, 206781 + ... + 207043.

Almost surely, 2^54417856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54417856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56125872).

54417856 is an abundant number, since it is smaller than the sum of its proper divisors (57833888).

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

54417856 is a wasteful number, since it uses less digits than its factorization.

54417856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 379 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 54417856 is about 7376.8459384753. The cubic root of 54417856 is about 378.9487472551.

The spelling of 54417856 in words is "fifty-four million, four hundred seventeen thousand, eight hundred fifty-six".