52443504 has 160 divisors (see below), whose sum is σ = 164543040. Its totient is φ = 15925248.

The previous prime is 52443491. The next prime is 52443527. The reversal of 52443504 is 40534425.

It is a super-2 number, since 2×52443504² = 5500642223596032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271632 + ... + 271824.

It is an arithmetic number, because the mean of its divisors is an integer number (1028394).

Almost surely, 2^52443504 is an apocalyptic number.

52443504 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52443504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82271520).

52443504 is an abundant number, since it is smaller than the sum of its proper divisors (112099536).

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

52443504 is a wasteful number, since it uses less digits than its factorization.

52443504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 52443504 is about 7241.7887293127. The cubic root of 52443504 is about 374.3092564434.

Adding to 52443504 its reverse (40534425), we get a palindrome (92977929).

It can be divided in two parts, 52 and 443504, that added together give a square (443556 = 666²).

The spelling of 52443504 in words is "fifty-two million, four hundred forty-three thousand, five hundred four".