52404252 has 24 divisors (see below), whose sum is σ = 122719632. Its totient is φ = 17404800.

The previous prime is 52404239. The next prime is 52404271. The reversal of 52404252 is 25240425.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4399 + ... + 11142.

It is an arithmetic number, because the mean of its divisors is an integer number (5113318).

Almost surely, 2^52404252 is an apocalyptic number.

It is an amenable number.

52404252 is an abundant number, since it is smaller than the sum of its proper divisors (70315380).

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

52404252 is a wasteful number, since it uses less digits than its factorization.

52404252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15829 (or 15827 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 52404252 is about 7239.0781181032. The cubic root of 52404252 is about 374.2158476454.

Adding to 52404252 its reverse (25240425), we get a palindrome (77644677).

The spelling of 52404252 in words is "fifty-two million, four hundred four thousand, two hundred fifty-two".