54000012 has 48 divisors (see below), whose sum is σ = 137999232. Its totient is φ = 16298880.

The previous prime is 53999989. The next prime is 54000031. The reversal of 54000012 is 21000045.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40663 + ... + 41969.

It is an arithmetic number, because the mean of its divisors is an integer number (2874984).

Almost surely, 2^54000012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54000012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68999616).

54000012 is an abundant number, since it is smaller than the sum of its proper divisors (83999220).

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

54000012 is a wasteful number, since it uses less digits than its factorization.

54000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638 (or 1636 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 54000012 is about 7348.4700448461. The cubic root of 54000012 is about 377.9763429667.

Adding to 54000012 its reverse (21000045), we get a palindrome (75000057).

The spelling of 54000012 in words is "fifty-four million, twelve", and thus it is an aban number.