53323872 has 96 divisors (see below), whose sum is σ = 162312192. Its totient is φ = 15012864.

The previous prime is 53323843. The next prime is 53323873. The reversal of 53323872 is 27832335.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53323873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48513 + ... + 49599.

It is an arithmetic number, because the mean of its divisors is an integer number (1690752).

Almost surely, 2^53323872 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 53323872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81156096).

53323872 is an abundant number, since it is smaller than the sum of its proper divisors (108988320).

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

53323872 is a wasteful number, since it uses less digits than its factorization.

53323872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180 (or 1172 counting only the distinct ones).

The product of its digits is 30240, while the sum is 33.

The square root of 53323872 is about 7302.3196314596. The cubic root of 53323872 is about 376.3921515972.

The spelling of 53323872 in words is "fifty-three million, three hundred twenty-three thousand, eight hundred seventy-two".