53543255040 has 880 divisors, whose sum is σ = 213216895584. Its totient is φ = 12846366720.

The previous prime is 53543254997. The next prime is 53543255041. The reversal of 53543255040 is 4055234535.

53543255040 is a `hidden beast` number, since 5 + 3 + 543 + 25 + 50 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (880).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 53543254986 and 53543255004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53543255041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 551992272 + ... + 551992368.

Almost surely, 2^53543255040 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 53543255040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106608447792).

53543255040 is an abundant number, since it is smaller than the sum of its proper divisors (159673640544).

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

53543255040 is an equidigital number, since it uses as much as digits as its factorization.

53543255040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

Adding to 53543255040 its reverse (4055234535), we get a palindrome (57598489575).

The spelling of 53543255040 in words is "fifty-three billion, five hundred forty-three million, two hundred fifty-five thousand, forty".