53989216 has 24 divisors (see below), whose sum is σ = 109166400. Its totient is φ = 26264448.

The previous prime is 53989193. The next prime is 53989217. The reversal of 53989216 is 61298935.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53989217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21616 + ... + 23983.

It is an arithmetic number, because the mean of its divisors is an integer number (4548600).

Almost surely, 2^53989216 is an apocalyptic number.

It is an amenable number.

53989216 is an abundant number, since it is smaller than the sum of its proper divisors (55177184).

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

53989216 is a wasteful number, since it uses less digits than its factorization.

53989216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45646 (or 45638 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The square root of 53989216 is about 7347.7354334516. The cubic root of 53989216 is about 377.9511522034.

The spelling of 53989216 in words is "fifty-three million, nine hundred eighty-nine thousand, two hundred sixteen".