54311240 has 16 divisors (see below), whose sum is σ = 122200380. Its totient is φ = 21724480.

The previous prime is 54311233. The next prime is 54311249. The reversal of 54311240 is 4211345.

54311240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 47582404 + 6728836 = 6898^2 + 2594^2 .

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

It is not an unprimeable number, because it can be changed into a prime (54311249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678851 + ... + 678930.

Almost surely, 2^54311240 is an apocalyptic number.

It is an amenable number.

54311240 is an abundant number, since it is smaller than the sum of its proper divisors (67889140).

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

54311240 is a wasteful number, since it uses less digits than its factorization.

54311240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357792 (or 1357788 counting only the distinct ones).

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

The square root of 54311240 is about 7369.6160008511. The cubic root of 54311240 is about 378.7011054166.

Adding to 54311240 its reverse (4211345), we get a palindrome (58522585).

The spelling of 54311240 in words is "fifty-four million, three hundred eleven thousand, two hundred forty".