53502043140 has 288 divisors, whose sum is σ = 200634819840. Its totient is φ = 11237833728.

The previous prime is 53502043117. The next prime is 53502043141. The reversal of 53502043140 is 4134020535.

It is not an unprimeable number, because it can be changed into a prime (53502043141) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3711066 + ... + 3725454.

It is an arithmetic number, because the mean of its divisors is an integer number (696648680).

Almost surely, 2^53502043140 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 53502043140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100317409920).

53502043140 is an abundant number, since it is smaller than the sum of its proper divisors (147132776700).

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

53502043140 is a wasteful number, since it uses less digits than its factorization.

53502043140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14651 (or 14646 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 53502043140 its reverse (4134020535), we get a palindrome (57636063675).

The spelling of 53502043140 in words is "fifty-three billion, five hundred two million, forty-three thousand, one hundred forty".