53812388 has 36 divisors (see below), whose sum is σ = 111076812. Its totient is φ = 22740480.

The previous prime is 53812301. The next prime is 53812397. The reversal of 53812388 is 88321835.

It can be written as a sum of positive squares in 2 ways, for example, as 27269284 + 26543104 = 5222^2 + 5152^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12428 + ... + 16188.

It is an arithmetic number, because the mean of its divisors is an integer number (3085467).

Almost surely, 2^53812388 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 53812388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55538406).

53812388 is an abundant number, since it is smaller than the sum of its proper divisors (57264424).

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

53812388 is a wasteful number, since it uses less digits than its factorization.

53812388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3852 (or 3843 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 53812388 is about 7335.6927416571. The cubic root of 53812388 is about 377.5380731449.

The spelling of 53812388 in words is "fifty-three million, eight hundred twelve thousand, three hundred eighty-eight".