53221482 has 32 divisors (see below), whose sum is σ = 122088960. Its totient is φ = 17167680.

The previous prime is 53221477. The next prime is 53221507. The reversal of 53221482 is 28412235.

It is a super-2 number, since 2×53221482² = 5665052292552648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14223 + ... + 17570.

It is an arithmetic number, because the mean of its divisors is an integer number (3815280).

Almost surely, 2^53221482 is an apocalyptic number.

53221482 is an abundant number, since it is smaller than the sum of its proper divisors (68867478).

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

53221482 is a wasteful number, since it uses less digits than its factorization.

53221482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31835 (or 31829 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 53221482 is about 7295.3054768118. The cubic root of 53221482 is about 376.1510870477.

The spelling of 53221482 in words is "fifty-three million, two hundred twenty-one thousand, four hundred eighty-two".