52322840 has 32 divisors (see below), whose sum is σ = 118530000. Its totient is φ = 20786304.

The previous prime is 52322801. The next prime is 52322849. The reversal of 52322840 is 4822325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52322849) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1571 + ... + 10349.

Almost surely, 2^52322840 is an apocalyptic number.

It is an amenable number.

52322840 is an abundant number, since it is smaller than the sum of its proper divisors (66207160).

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

52322840 is a wasteful number, since it uses less digits than its factorization.

52322840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8939 (or 8935 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 52322840 is about 7233.4528407946. The cubic root of 52322840 is about 374.0219610199.

The spelling of 52322840 in words is "fifty-two million, three hundred twenty-two thousand, eight hundred forty".