216056054 has 16 divisors (see below), whose sum is σ = 328569696. Its totient is φ = 106540800.

The previous prime is 216056051. The next prime is 216056059. The reversal of 216056054 is 450650612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216056051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58544 + ... + 62124.

It is an arithmetic number, because the mean of its divisors is an integer number (20535606).

Almost surely, 2^216056054 is an apocalyptic number.

216056054 is a deficient number, since it is larger than the sum of its proper divisors (112513642).

216056054 is a wasteful number, since it uses less digits than its factorization.

216056054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3991.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 216056054 is about 14698.8453288005. The cubic root of 216056054 is about 600.0518973628.

The spelling of 216056054 in words is "two hundred sixteen million, fifty-six thousand, fifty-four".