54143012 has 48 divisors (see below), whose sum is σ = 123282432. Its totient is φ = 20174880.

The previous prime is 54143009. The next prime is 54143059. The reversal of 54143012 is 21034145.

It is a super-3 number, since 3×54143012³ (a number of 24 digits) contains 333 as substring.

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

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, 3263 + ... + 10905.

It is an arithmetic number, because the mean of its divisors is an integer number (2568384).

Almost surely, 2^54143012 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 54143012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61641216).

54143012 is an abundant number, since it is smaller than the sum of its proper divisors (69139420).

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

54143012 is a wasteful number, since it uses less digits than its factorization.

54143012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7688 (or 7686 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 54143012 is about 7358.1935283057. The cubic root of 54143012 is about 378.3096945950.

Adding to 54143012 its reverse (21034145), we get a palindrome (75177157).

The spelling of 54143012 in words is "fifty-four million, one hundred forty-three thousand, twelve".