53559380 has 24 divisors (see below), whose sum is σ = 128542848. Its totient is φ = 18363168.

The previous prime is 53559379. The next prime is 53559383. The reversal of 53559380 is 8395535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53559383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191144 + ... + 191423.

It is an arithmetic number, because the mean of its divisors is an integer number (5355952).

Almost surely, 2^53559380 is an apocalyptic number.

It is an amenable number.

53559380 is an abundant number, since it is smaller than the sum of its proper divisors (74983468).

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

53559380 is a wasteful number, since it uses less digits than its factorization.

53559380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382583 (or 382581 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 53559380 is about 7318.4274267086. The cubic root of 53559380 is about 376.9454571446.

The spelling of 53559380 in words is "fifty-three million, five hundred fifty-nine thousand, three hundred eighty".