52332840 has 192 divisors, whose sum is σ = 204796800. Its totient is φ = 11321856.

The previous prime is 52332827. The next prime is 52332877. The reversal of 52332840 is 4823325.

It is a super-2 number, since 2×52332840² = 5477452284931200, which contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 47334 + ... + 48426.

It is an arithmetic number, because the mean of its divisors is an integer number (1066650).

Almost surely, 2^52332840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52332840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102398400).

52332840 is an abundant number, since it is smaller than the sum of its proper divisors (152463960).

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

52332840 is a wasteful number, since it uses less digits than its factorization.

52332840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136 (or 1129 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 52332840 is about 7234.1440405897. The cubic root of 52332840 is about 374.0457873346.

The spelling of 52332840 in words is "fifty-two million, three hundred thirty-two thousand, eight hundred forty".