53396320 has 96 divisors (see below), whose sum is σ = 136025568. Its totient is φ = 19734528.

The previous prime is 53396249. The next prime is 53396323. The reversal of 53396320 is 2369335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53396323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182094 + ... + 182386.

It is an arithmetic number, because the mean of its divisors is an integer number (1416933).

Almost surely, 2^53396320 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 53396320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68012784).

53396320 is an abundant number, since it is smaller than the sum of its proper divisors (82629248).

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

53396320 is a wasteful number, since it uses less digits than its factorization.

53396320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 31.

The square root of 53396320 is about 7307.2785631862. The cubic root of 53396320 is about 376.5625350631.

The spelling of 53396320 in words is "fifty-three million, three hundred ninety-six thousand, three hundred twenty".