54031283240 has 64 divisors (see below), whose sum is σ = 132751008000. Its totient is φ = 19628663040.

The previous prime is 54031283227. The next prime is 54031283249. The reversal of 54031283240 is 4238213045.

It is a super-2 number, since 2×54031283240² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54031283197 and 54031283206.

It is not an unprimeable number, because it can be changed into a prime (54031283249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398066 + ... + 516254.

It is an arithmetic number, because the mean of its divisors is an integer number (2074234500).

Almost surely, 2^54031283240 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 54031283240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66375504000).

54031283240 is an abundant number, since it is smaller than the sum of its proper divisors (78719724760).

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

54031283240 is a wasteful number, since it uses less digits than its factorization.

54031283240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119250 (or 119246 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 54031283240 its reverse (4238213045), we get a palindrome (58269496285).

The spelling of 54031283240 in words is "fifty-four billion, thirty-one million, two hundred eighty-three thousand, two hundred forty".