216544053 has 8 divisors (see below), whose sum is σ = 314973216. Its totient is φ = 131238800.

The previous prime is 216544049. The next prime is 216544093. The reversal of 216544053 is 350445612.

216544053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 216544053 - 2² = 216544049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 216544053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216544093) 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, 3280938 + ... + 3281003.

It is an arithmetic number, because the mean of its divisors is an integer number (39371652).

Almost surely, 2^216544053 is an apocalyptic number.

It is an amenable number.

216544053 is a deficient number, since it is larger than the sum of its proper divisors (98429163).

216544053 is a wasteful number, since it uses less digits than its factorization.

216544053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6561955.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 216544053 is about 14715.4358752977. The cubic root of 216544053 is about 600.5033304238.

Adding to 216544053 its reverse (350445612), we get a palindrome (566989665).

The spelling of 216544053 in words is "two hundred sixteen million, five hundred forty-four thousand, fifty-three".