52040672 has 48 divisors (see below), whose sum is σ = 109190592. Its totient is φ = 24330240.

The previous prime is 52040671. The next prime is 52040687. The reversal of 52040672 is 27604025.

It is a super-3 number, since 3×52040672³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52040671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147248 + ... + 147600.

It is an arithmetic number, because the mean of its divisors is an integer number (2274804).

Almost surely, 2^52040672 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 52040672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54595296).

52040672 is an abundant number, since it is smaller than the sum of its proper divisors (57149920).

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

52040672 is a wasteful number, since it uses less digits than its factorization.

52040672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 52040672 is about 7213.9220955039. The cubic root of 52040672 is about 373.3484035867.

Adding to 52040672 its reverse (27604025), we get a palindrome (79644697).

The spelling of 52040672 in words is "fifty-two million, forty thousand, six hundred seventy-two".