54905856 has 88 divisors (see below), whose sum is σ = 149250864. Its totient is φ = 17940480.

The previous prime is 54905849. The next prime is 54905857. The reversal of 54905856 is 65850945.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (54905857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187246 + ... + 187538.

Almost surely, 2^54905856 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 54905856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74625432).

54905856 is an abundant number, since it is smaller than the sum of its proper divisors (94345008).

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

54905856 is a wasteful number, since it uses less digits than its factorization.

54905856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 54905856 is about 7409.8485814489. The cubic root of 54905856 is about 380.0781372099.

The spelling of 54905856 in words is "fifty-four million, nine hundred five thousand, eight hundred fifty-six".