53531125312 has 112 divisors (see below), whose sum is σ = 128016000000. Its totient is φ = 21696090624.

The previous prime is 53531125303. The next prime is 53531125367. The reversal of 53531125312 is 21352113535.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5093439 + ... + 5103937.

It is an arithmetic number, because the mean of its divisors is an integer number (1143000000).

Almost surely, 2^53531125312 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 53531125312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64008000000).

53531125312 is an abundant number, since it is smaller than the sum of its proper divisors (74484874688).

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

53531125312 is a wasteful number, since it uses less digits than its factorization.

53531125312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11136 (or 11126 counting only the distinct ones).

The product of its digits is 13500, while the sum is 31.

Adding to 53531125312 its reverse (21352113535), we get a palindrome (74883238847).

The spelling of 53531125312 in words is "fifty-three billion, five hundred thirty-one million, one hundred twenty-five thousand, three hundred twelve".