54039240 has 96 divisors (see below), whose sum is σ = 180418680. Its totient is φ = 14017536.

The previous prime is 54039233. The next prime is 54039241. The reversal of 54039240 is 4293045.

It can be written as a sum of positive squares in 4 ways, for example, as 51236964 + 2802276 = 7158^2 + 1674^2 .

It is not an unprimeable number, because it can be changed into a prime (54039241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11292 + ... + 15348.

Almost surely, 2^54039240 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 54039240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90209340).

54039240 is an abundant number, since it is smaller than the sum of its proper divisors (126379440).

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

54039240 is a wasteful number, since it uses less digits than its factorization.

54039240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4111 (or 4104 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 54039240 is about 7351.1386873055. The cubic root of 54039240 is about 378.0678470639.

The spelling of 54039240 in words is "fifty-four million, thirty-nine thousand, two hundred forty".