53523320 has 32 divisors (see below), whose sum is σ = 120672720. Its totient is φ = 21365760.

The previous prime is 53523317. The next prime is 53523359. The reversal of 53523320 is 2332535.

53523320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24680 + ... + 26760.

Almost surely, 2^53523320 is an apocalyptic number.

It is an amenable number.

53523320 is an abundant number, since it is smaller than the sum of its proper divisors (67149400).

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

53523320 is a wasteful number, since it uses less digits than its factorization.

53523320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2735 (or 2731 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 53523320 is about 7315.9633678689. The cubic root of 53523320 is about 376.8608426175.

Adding to 53523320 its reverse (2332535), we get a palindrome (55855855).

The spelling of 53523320 in words is "fifty-three million, five hundred twenty-three thousand, three hundred twenty".