54189072 has 60 divisors (see below), whose sum is σ = 173322240. Its totient is φ = 15482304.

The previous prime is 54189071. The next prime is 54189077. The reversal of 54189072 is 27098145.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (54189071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25872 + ... + 27887.

It is an arithmetic number, because the mean of its divisors is an integer number (2888704).

Almost surely, 2^54189072 is an apocalyptic number.

It is an amenable number.

54189072 is an abundant number, since it is smaller than the sum of its proper divisors (119133168).

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

54189072 is a wasteful number, since it uses less digits than its factorization.

54189072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53780 (or 53771 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 54189072 is about 7361.3227072314. The cubic root of 54189072 is about 378.4169414648.

The spelling of 54189072 in words is "fifty-four million, one hundred eighty-nine thousand, seventy-two".