54216072 has 24 divisors (see below), whose sum is σ = 146835390. Its totient is φ = 18072000.

The previous prime is 54216047. The next prime is 54216073. The reversal of 54216072 is 27061245.

54216072 is a `hidden beast` number, since 54 + 2 + 1 + 607 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 45887076 + 8328996 = 6774^2 + 2886^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (54216073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 376429 + ... + 376572.

Almost surely, 2^54216072 is an apocalyptic number.

It is an amenable number.

54216072 is an abundant number, since it is smaller than the sum of its proper divisors (92619318).

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

54216072 is a wasteful number, since it uses less digits than its factorization.

54216072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753013 (or 753006 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 54216072 is about 7363.1563883976. The cubic root of 54216072 is about 378.4797804627.

The spelling of 54216072 in words is "fifty-four million, two hundred sixteen thousand, seventy-two".