52238816 has 48 divisors (see below), whose sum is σ = 118752480. Its totient is φ = 22156800.

The previous prime is 52238803. The next prime is 52238821. The reversal of 52238816 is 61883225.

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, 21470 + ... + 23778.

It is an arithmetic number, because the mean of its divisors is an integer number (2474010).

Almost surely, 2^52238816 is an apocalyptic number.

52238816 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52238816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59376240).

52238816 is an abundant number, since it is smaller than the sum of its proper divisors (66513664).

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

52238816 is a wasteful number, since it uses less digits than its factorization.

52238816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427 (or 2419 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 52238816 is about 7227.6424925421. The cubic root of 52238816 is about 373.8216427726.

The spelling of 52238816 in words is "fifty-two million, two hundred thirty-eight thousand, eight hundred sixteen".