56053216 has 48 divisors (see below), whose sum is σ = 117736416. Its totient is φ = 26177536.

The previous prime is 56053181. The next prime is 56053219. The reversal of 56053216 is 61235065.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56053219) 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, 90540 + ... + 91156.

It is an arithmetic number, because the mean of its divisors is an integer number (2452842).

Almost surely, 2^56053216 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 56053216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58868208).

56053216 is an abundant number, since it is smaller than the sum of its proper divisors (61683200).

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

56053216 is a wasteful number, since it uses less digits than its factorization.

56053216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811 (or 803 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 56053216 is about 7486.8695727921. The cubic root of 56053216 is about 382.7073869318.

The spelling of 56053216 in words is "fifty-six million, fifty-three thousand, two hundred sixteen".