52844040 has 96 divisors (see below), whose sum is σ = 172762200. Its totient is φ = 14008320.

The previous prime is 52844023. The next prime is 52844059. The reversal of 52844040 is 4044825.

It can be written as a sum of positive squares in 4 ways, for example, as 52794756 + 49284 = 7266^2 + 222^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52843995 and 52844013.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82120 + ... + 82760.

Almost surely, 2^52844040 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 52844040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86381100).

52844040 is an abundant number, since it is smaller than the sum of its proper divisors (119918160).

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

52844040 is a wasteful number, since it uses less digits than its factorization.

52844040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 52844040 is about 7269.3906209530. The cubic root of 52844040 is about 375.2597666818.

Adding to 52844040 its reverse (4044825), we get a palindrome (56888865).

The spelling of 52844040 in words is "fifty-two million, eight hundred forty-four thousand, forty".