53153120531240 has 128 divisors (see below), whose sum is σ = 122318220165120. Its totient is φ = 20782395244800.

The previous prime is 53153120531227. The next prime is 53153120531243. The reversal of 53153120531240 is 4213502135135.

It is a happy number.

53153120531240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×53153120531240³ (a number of 42 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53153120531240.

It is not an unprimeable number, because it can be changed into a prime (53153120531243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 530510189 + ... + 530610371.

It is an arithmetic number, because the mean of its divisors is an integer number (955611095040).

Almost surely, 2^{53153120531240} 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 53153120531240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61159110082560).

53153120531240 is an abundant number, since it is smaller than the sum of its proper divisors (69165099633880).

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

53153120531240 is a wasteful number, since it uses less digits than its factorization.

53153120531240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101863 (or 101859 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 53153120531240 its reverse (4213502135135), we get a palindrome (57366622666375).

The spelling of 53153120531240 in words is "fifty-three trillion, one hundred fifty-three billion, one hundred twenty million, five hundred thirty-one thousand, two hundred forty".