54216066 has 16 divisors (see below), whose sum is σ = 108504288. Its totient is φ = 18060000.

The previous prime is 54216047. The next prime is 54216073. The reversal of 54216066 is 66061245.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16501 + ... + 19511.

It is an arithmetic number, because the mean of its divisors is an integer number (6781518).

Almost surely, 2^54216066 is an apocalyptic number.

54216066 is an abundant number, since it is smaller than the sum of its proper divisors (54288222).

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

54216066 is a wasteful number, since it uses less digits than its factorization.

54216066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6017.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 54216066 is about 7363.1559809636. The cubic root of 54216066 is about 378.4797665008.

The spelling of 54216066 in words is "fifty-four million, two hundred sixteen thousand, sixty-six".