216753054 has 64 divisors (see below), whose sum is σ = 514117632. Its totient is φ = 59616000.

The previous prime is 216753041. The next prime is 216753091. The reversal of 216753054 is 450357612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 360354 + ... + 360954.

It is an arithmetic number, because the mean of its divisors is an integer number (8033088).

Almost surely, 2^216753054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216753054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257058816).

216753054 is an abundant number, since it is smaller than the sum of its proper divisors (297364578).

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

216753054 is a wasteful number, since it uses less digits than its factorization.

216753054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 216753054 is about 14722.5355832479. The cubic root of 216753054 is about 600.6964634738.

The spelling of 216753054 in words is "two hundred sixteen million, seven hundred fifty-three thousand, fifty-four".