53503308140 has 192 divisors, whose sum is σ = 128360453760. Its totient is φ = 18629345280.

The previous prime is 53503308073. The next prime is 53503308151. The reversal of 53503308140 is 4180330535.

53503308140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 53503308097 and 53503308106.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22469750 + ... + 22472130.

It is an arithmetic number, because the mean of its divisors is an integer number (668544030).

Almost surely, 2^53503308140 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 53503308140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64180226880).

53503308140 is an abundant number, since it is smaller than the sum of its proper divisors (74857145620).

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

53503308140 is a wasteful number, since it uses less digits than its factorization.

53503308140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532 (or 2530 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 53503308140 its reverse (4180330535), we get a palindrome (57683638675).

The spelling of 53503308140 in words is "fifty-three billion, five hundred three million, three hundred eight thousand, one hundred forty".