52685312 has 40 divisors (see below), whose sum is σ = 111478356. Its totient is φ = 24788992.

The previous prime is 52685291. The next prime is 52685377. The reversal of 52685312 is 21358625.

It can be written as a sum of positive squares in 2 ways, for example, as 52070656 + 614656 = 7216^2 + 784^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5678 + ... + 11730.

Almost surely, 2^52685312 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 52685312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55739178).

52685312 is an abundant number, since it is smaller than the sum of its proper divisors (58793044).

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

52685312 is an equidigital number, since it uses as much as digits as its factorization.

52685312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6088 (or 6072 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 52685312 is about 7258.4648514682. The cubic root of 52685312 is about 374.8836664329.

It can be divided in two parts, 526853 and 12, that multiplied together give a palindrome (6322236).

The spelling of 52685312 in words is "fifty-two million, six hundred eighty-five thousand, three hundred twelve".