53069320 has 64 divisors (see below), whose sum is σ = 123120000. Its totient is φ = 20579328.

The previous prime is 53069309. The next prime is 53069323. The reversal of 53069320 is 2396035.

It is not an unprimeable number, because it can be changed into a prime (53069323) 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, 266581 + ... + 266779.

It is an arithmetic number, because the mean of its divisors is an integer number (1923750).

Almost surely, 2^53069320 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 53069320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61560000).

53069320 is an abundant number, since it is smaller than the sum of its proper divisors (70050680).

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

53069320 is a wasteful number, since it uses less digits than its factorization.

53069320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 53069320 is about 7284.8692507141. The cubic root of 53069320 is about 375.7922686858.

The spelling of 53069320 in words is "fifty-three million, sixty-nine thousand, three hundred twenty".