53438113260 has 576 divisors, whose sum is σ = 201132771840. Its totient is φ = 11735539200.

The previous prime is 53438113249. The next prime is 53438113273. The reversal of 53438113260 is 6231183435.

53438113260 is a `hidden beast` number, since 5 + 3 + 4 + 381 + 13 + 260 = 666.

53438113260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 76230910 + ... + 76231610.

It is an arithmetic number, because the mean of its divisors is an integer number (349188840).

Almost surely, 2^53438113260 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 53438113260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100566385920).

53438113260 is an abundant number, since it is smaller than the sum of its proper divisors (147694658580).

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

53438113260 is a wasteful number, since it uses less digits than its factorization.

53438113260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 53438113260 its reverse (6231183435), we get a palindrome (59669296695).

The spelling of 53438113260 in words is "fifty-three billion, four hundred thirty-eight million, one hundred thirteen thousand, two hundred sixty".