53456216 has 32 divisors (see below), whose sum is σ = 110365200. Its totient is φ = 24071040.

The previous prime is 53456213. The next prime is 53456239. The reversal of 53456216 is 61265435.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53456213) 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, 6806 + ... + 12378.

Almost surely, 2^53456216 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 53456216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55182600).

53456216 is an abundant number, since it is smaller than the sum of its proper divisors (56908984).

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

53456216 is a wasteful number, since it uses less digits than its factorization.

53456216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5699 (or 5695 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 53456216 is about 7311.3757939255. The cubic root of 53456216 is about 376.7032823499.

The spelling of 53456216 in words is "fifty-three million, four hundred fifty-six thousand, two hundred sixteen".