216448053 has 16 divisors (see below), whose sum is σ = 292999680. Its totient is φ = 142113776.

The previous prime is 216448007. The next prime is 216448073. The reversal of 216448053 is 350844612.

It is a cyclic number.

It is not a de Polignac number, because 216448053 - 2²⁴ = 199670837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216448073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55576 + ... + 59342.

It is an arithmetic number, because the mean of its divisors is an integer number (18312480).

Almost surely, 2^216448053 is an apocalyptic number.

It is an amenable number.

216448053 is a deficient number, since it is larger than the sum of its proper divisors (76551627).

216448053 is a wasteful number, since it uses less digits than its factorization.

216448053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4056.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 216448053 is about 14712.1736327437. The cubic root of 216448053 is about 600.4145773656.

The spelling of 216448053 in words is "two hundred sixteen million, four hundred forty-eight thousand, fifty-three".