54045235240 has 16 divisors (see below), whose sum is σ = 121601779380. Its totient is φ = 21618094080.

The previous prime is 54045235213. The next prime is 54045235247. The reversal of 54045235240 is 4253254045.

It can be written as a sum of positive squares in 2 ways, for example, as 51664380804 + 2380854436 = 227298^2 + 48794^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54045235196 and 54045235205.

It is not an unprimeable number, because it can be changed into a prime (54045235247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675565401 + ... + 675565480.

Almost surely, 2^54045235240 is an apocalyptic number.

It is an amenable number.

54045235240 is an abundant number, since it is smaller than the sum of its proper divisors (67556544140).

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

54045235240 is a wasteful number, since it uses less digits than its factorization.

54045235240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351130892 (or 1351130888 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 34.

Adding to 54045235240 its reverse (4253254045), we get a palindrome (58298489285).

The spelling of 54045235240 in words is "fifty-four billion, forty-five million, two hundred thirty-five thousand, two hundred forty".