56889216 has 192 divisors, whose sum is σ = 178214400. Its totient is φ = 18040320.

The previous prime is 56889199. The next prime is 56889221. The reversal of 56889216 is 61298865.

56889216 is a `hidden beast` number, since 568 + 89 + 2 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 964195 + ... + 964253.

It is an arithmetic number, because the mean of its divisors is an integer number (928200).

Almost surely, 2^56889216 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 56889216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89107200).

56889216 is an abundant number, since it is smaller than the sum of its proper divisors (121325184).

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

56889216 is an equidigital number, since it uses as much as digits as its factorization.

56889216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 95 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 56889216 is about 7542.4940172333. The cubic root of 56889216 is about 384.6006225637.

The spelling of 56889216 in words is "fifty-six million, eight hundred eighty-nine thousand, two hundred sixteen".