52823916 has 72 divisors (see below), whose sum is σ = 140684544. Its totient is φ = 16679520.

The previous prime is 52823891. The next prime is 52823917. The reversal of 52823916 is 61932825.

It is a super-2 number, since 2×52823916² = 5580732203150112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (52823917) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108225 + ... + 108711.

It is an arithmetic number, because the mean of its divisors is an integer number (1953952).

Almost surely, 2^52823916 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 52823916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70342272).

52823916 is an abundant number, since it is smaller than the sum of its proper divisors (87860628).

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

52823916 is a wasteful number, since it uses less digits than its factorization.

52823916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 646 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 52823916 is about 7268.0063291112. The cubic root of 52823916 is about 375.2121253183.

The spelling of 52823916 in words is "fifty-two million, eight hundred twenty-three thousand, nine hundred sixteen".