52513344 has 84 divisors (see below), whose sum is σ = 162121596. Its totient is φ = 16155648.

The previous prime is 52513343. The next prime is 52513361. The reversal of 52513344 is 44331525.

52513344 is a `hidden beast` number, since 525 + 133 + 4 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25887744 + 26625600 = 5088^2 + 5160^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52513343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3982 + ... + 10994.

It is an arithmetic number, because the mean of its divisors is an integer number (1930019).

Almost surely, 2^52513344 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 52513344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81060798).

52513344 is an abundant number, since it is smaller than the sum of its proper divisors (109608252).

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

52513344 is a wasteful number, since it uses less digits than its factorization.

52513344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7044 (or 7031 counting only the distinct ones).

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

The square root of 52513344 is about 7246.6091380728. The cubic root of 52513344 is about 374.4753409634.

Adding to 52513344 its reverse (44331525), we get a palindrome (96844869).

The spelling of 52513344 in words is "fifty-two million, five hundred thirteen thousand, three hundred forty-four".