54243012 has 24 divisors (see below), whose sum is σ = 127130976. Its totient is φ = 18000448.

The previous prime is 54243011. The next prime is 54243019. The reversal of 54243012 is 21034245.

It is a self number, because there is not a number n which added to its sum of digits gives 54243012.

It is not an unprimeable number, because it can be changed into a prime (54243011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7233 + ... + 12680.

It is an arithmetic number, because the mean of its divisors is an integer number (5297124).

Almost surely, 2^54243012 is an apocalyptic number.

It is an amenable number.

54243012 is an abundant number, since it is smaller than the sum of its proper divisors (72887964).

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

54243012 is a wasteful number, since it uses less digits than its factorization.

54243012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20147 (or 20145 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 54243012 is about 7364.9855397007. The cubic root of 54243012 is about 378.5424590285.

Adding to 54243012 its reverse (21034245), we get a palindrome (75277257).

The spelling of 54243012 in words is "fifty-four million, two hundred forty-three thousand, twelve".