53289984 has 176 divisors, whose sum is σ = 165070080. Its totient is φ = 15114240.

The previous prime is 53289983. The next prime is 53289997. The reversal of 53289984 is 48998235.

It is a tau number, because it is divible by the number of its divisors (176).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (53289983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642007 + ... + 642089.

Almost surely, 2^53289984 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 53289984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82535040).

53289984 is an abundant number, since it is smaller than the sum of its proper divisors (111780096).

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

53289984 is a wasteful number, since it uses less digits than its factorization.

53289984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 118 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The square root of 53289984 is about 7299.9989041095. The cubic root of 53289984 is about 376.3124006980.

The spelling of 53289984 in words is "fifty-three million, two hundred eighty-nine thousand, nine hundred eighty-four".