53523120 has 80 divisors (see below), whose sum is σ = 189630720. Its totient is φ = 12233472.

The previous prime is 53523109. The next prime is 53523121. The reversal of 53523120 is 2132535.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (53523121) 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, 14250 + ... + 17609.

It is an arithmetic number, because the mean of its divisors is an integer number (2370384).

Almost surely, 2^53523120 is an apocalyptic number.

It is an amenable number.

53523120 is an abundant number, since it is smaller than the sum of its proper divisors (136107600).

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

53523120 is a wasteful number, since it uses less digits than its factorization.

53523120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31882 (or 31876 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 53523120 is about 7315.9496991163. The cubic root of 53523120 is about 376.8603732130.

Adding to 53523120 its reverse (2132535), we get a palindrome (55655655).

The spelling of 53523120 in words is "fifty-three million, five hundred twenty-three thousand, one hundred twenty".