53530180 has 96 divisors (see below), whose sum is σ = 130056192. Its totient is φ = 18326400.

The previous prime is 53530171. The next prime is 53530181. The reversal of 53530180 is 8103535.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (53530181) 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 31 ways as a sum of consecutive naturals, for example, 320457 + ... + 320623.

It is an arithmetic number, because the mean of its divisors is an integer number (1354752).

Almost surely, 2^53530180 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 53530180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65028096).

53530180 is an abundant number, since it is smaller than the sum of its proper divisors (76526012).

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

53530180 is a wasteful number, since it uses less digits than its factorization.

53530180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 53530180 is about 7316.4321906241. The cubic root of 53530180 is about 376.8769424841.

The spelling of 53530180 in words is "fifty-three million, five hundred thirty thousand, one hundred eighty".