53221084 has 36 divisors (see below), whose sum is σ = 113088976. Its totient is φ = 21464064.

The previous prime is 53221081. The next prime is 53221093. The reversal of 53221084 is 48012235.

53221084 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53221081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4804 + ... + 11380.

Almost surely, 2^53221084 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 53221084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56544488).

53221084 is an abundant number, since it is smaller than the sum of its proper divisors (59867892).

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

53221084 is a wasteful number, since it uses less digits than its factorization.

53221084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6622 (or 6603 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 53221084 is about 7295.2781989448. The cubic root of 53221084 is about 376.1501494031.

The spelling of 53221084 in words is "fifty-three million, two hundred twenty-one thousand, eighty-four".