5255543040 has 216 divisors, whose sum is σ = 18451138944. Its totient is φ = 1273958400.

The previous prime is 5255543021. The next prime is 5255543063. The reversal of 5255543040 is 403455525.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 5255542992 and 5255543010.

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 23 ways as a sum of consecutive naturals, for example, 458985 + ... + 470295.

Almost surely, 2^5255543040 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 5255543040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9225569472).

5255543040 is an abundant number, since it is smaller than the sum of its proper divisors (13195595904).

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

5255543040 is a wasteful number, since it uses less digits than its factorization.

5255543040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11357 (or 11332 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 33.

The square root of 5255543040 is about 72495.1242498418. The cubic root of 5255543040 is about 1738.6247820506.

Adding to 5255543040 its reverse (403455525), we get a palindrome (5658998565).

The spelling of 5255543040 in words is "five billion, two hundred fifty-five million, five hundred forty-three thousand, forty".