54905216 has 64 divisors (see below), whose sum is σ = 114860160. Its totient is φ = 26112000.

The previous prime is 54905177. The next prime is 54905233. The reversal of 54905216 is 61250945.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400700 + ... + 400836.

It is an arithmetic number, because the mean of its divisors is an integer number (1794690).

Almost surely, 2^54905216 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 54905216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57430080).

54905216 is an abundant number, since it is smaller than the sum of its proper divisors (59954944).

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

54905216 is a wasteful number, since it uses less digits than its factorization.

54905216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 54905216 is about 7409.8053955553. The cubic root of 54905216 is about 380.0766604339.

The spelling of 54905216 in words is "fifty-four million, nine hundred five thousand, two hundred sixteen".