53234816 has 32 divisors (see below), whose sum is σ = 107268300. Its totient is φ = 26312704.

The previous prime is 53234813. The next prime is 53234821. The reversal of 53234816 is 61843235.

It can be written as a sum of positive squares in 2 ways, for example, as 52417600 + 817216 = 7240^2 + 904^2 .

It is a tau number, because it is divible by the number of its divisors (32).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53234813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9056 + ... + 13728.

Almost surely, 2^53234816 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 53234816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53634150).

53234816 is an abundant number, since it is smaller than the sum of its proper divisors (54033484).

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

53234816 is an equidigital number, since it uses as much as digits as its factorization.

53234816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4776 (or 4764 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 53234816 is about 7296.2192949500. The cubic root of 53234816 is about 376.1824977964.

The spelling of 53234816 in words is "fifty-three million, two hundred thirty-four thousand, eight hundred sixteen".