52531051344 has 80 divisors (see below), whose sum is σ = 143060278080. Its totient is φ = 16564055040.

The previous prime is 52531051253. The next prime is 52531051357. The reversal of 52531051344 is 44315013525.

It is a super-2 number, since 2×52531051344² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 574884 + ... + 659964.

It is an arithmetic number, because the mean of its divisors is an integer number (1788253476).

Almost surely, 2^52531051344 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 52531051344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71530139040).

52531051344 is an abundant number, since it is smaller than the sum of its proper divisors (90529226736).

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

52531051344 is a wasteful number, since it uses less digits than its factorization.

52531051344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85788 (or 85782 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 52531051344 its reverse (44315013525), we get a palindrome (96846064869).

The spelling of 52531051344 in words is "fifty-two billion, five hundred thirty-one million, fifty-one thousand, three hundred forty-four".