52243856 has 80 divisors (see below), whose sum is σ = 127920384. Its totient is φ = 20140032.

The previous prime is 52243847. The next prime is 52243921. The reversal of 52243856 is 65834225.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43196 + ... + 44388.

Almost surely, 2^52243856 is an apocalyptic number.

52243856 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 52243856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63960192).

52243856 is an abundant number, since it is smaller than the sum of its proper divisors (75676528).

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

52243856 is a wasteful number, since it uses less digits than its factorization.

52243856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248 (or 1242 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 52243856 is about 7227.9911455397. The cubic root of 52243856 is about 373.8336644877.

The spelling of 52243856 in words is "fifty-two million, two hundred forty-three thousand, eight hundred fifty-six".