53330816 has 96 divisors (see below), whose sum is σ = 135001080. Its totient is φ = 20751360.

The previous prime is 53330789. The next prime is 53330821. The reversal of 53330816 is 61803335.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 68606 + ... + 69378.

Almost surely, 2^53330816 is an apocalyptic number.

53330816 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 53330816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67500540).

53330816 is an abundant number, since it is smaller than the sum of its proper divisors (81670264).

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

53330816 is a wasteful number, since it uses less digits than its factorization.

53330816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 53330816 is about 7302.7950813370. The cubic root of 53330816 is about 376.4084892058.

The spelling of 53330816 in words is "fifty-three million, three hundred thirty thousand, eight hundred sixteen".