52040424 has 16 divisors (see below), whose sum is σ = 130101120. Its totient is φ = 17346800.

The previous prime is 52040399. The next prime is 52040473. The reversal of 52040424 is 42404025.

It is a self number, because there is not a number n which added to its sum of digits gives 52040424.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1084152 + ... + 1084199.

It is an arithmetic number, because the mean of its divisors is an integer number (8131320).

Almost surely, 2^52040424 is an apocalyptic number.

It is an amenable number.

52040424 is an abundant number, since it is smaller than the sum of its proper divisors (78060696).

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

52040424 is a wasteful number, since it uses less digits than its factorization.

52040424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168360 (or 2168356 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 52040424 is about 7213.9049064983. The cubic root of 52040424 is about 373.3478105214.

Adding to 52040424 its reverse (42404025), we get a palindrome (94444449).

The spelling of 52040424 in words is "fifty-two million, forty thousand, four hundred twenty-four".