52009424 has 10 divisors (see below), whose sum is σ = 100768290. Its totient is φ = 26004704.

The previous prime is 52009411. The next prime is 52009427. The reversal of 52009424 is 42490025.

It can be written as a sum of positive squares in only one way, i.e., 47169424 + 4840000 = 6868^2 + 2200^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52009393 and 52009402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52009427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1625279 + ... + 1625310.

It is an arithmetic number, because the mean of its divisors is an integer number (10076829).

Almost surely, 2^52009424 is an apocalyptic number.

It is an amenable number.

52009424 is a deficient number, since it is larger than the sum of its proper divisors (48758866).

52009424 is a wasteful number, since it uses less digits than its factorization.

52009424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3250597 (or 3250591 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 52009424 is about 7211.7559581561. The cubic root of 52009424 is about 373.2736625153.

Adding to 52009424 its reverse (42490025), we get a palindrome (94499449).

The spelling of 52009424 in words is "fifty-two million, nine thousand, four hundred twenty-four".