52043520 has 72 divisors (see below), whose sum is σ = 166226256. Its totient is φ = 13877248.

The previous prime is 52043501. The next prime is 52043521. The reversal of 52043520 is 2534025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52043521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2937 + ... + 10616.

It is an arithmetic number, because the mean of its divisors is an integer number (2308698).

Almost surely, 2^52043520 is an apocalyptic number.

It is an amenable number.

52043520 is an abundant number, since it is smaller than the sum of its proper divisors (114182736).

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

52043520 is a wasteful number, since it uses less digits than its factorization.

52043520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13577 (or 13563 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 52043520 is about 7214.1194888912. The cubic root of 52043520 is about 373.3552141371.

Adding to 52043520 its reverse (2534025), we get a palindrome (54577545).

The spelling of 52043520 in words is "fifty-two million, forty-three thousand, five hundred twenty".