54240320 has 28 divisors (see below), whose sum is σ = 129160524. Its totient is φ = 21696000.

The previous prime is 54240317. The next prime is 54240337. The reversal of 54240320 is 2304245.

It can be written as a sum of positive squares in 2 ways, for example, as 34668544 + 19571776 = 5888^2 + 4424^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 54240292 and 54240301.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 84431 + ... + 85070.

Almost surely, 2^54240320 is an apocalyptic number.

It is an amenable number.

54240320 is an abundant number, since it is smaller than the sum of its proper divisors (74920204).

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

54240320 is a wasteful number, since it uses less digits than its factorization.

54240320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169518 (or 169508 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 54240320 is about 7364.8027807946. The cubic root of 54240320 is about 378.5361967585.

Adding to 54240320 its reverse (2304245), we get a palindrome (56544565).

The spelling of 54240320 in words is "fifty-four million, two hundred forty thousand, three hundred twenty".