53530444 has 12 divisors (see below), whose sum is σ = 102194568. Its totient is φ = 24332000.

The previous prime is 53530427. The next prime is 53530457. The reversal of 53530444 is 44403535.

53530444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 608257 + ... + 608344.

It is an arithmetic number, because the mean of its divisors is an integer number (8516214).

Almost surely, 2^53530444 is an apocalyptic number.

It is an amenable number.

53530444 is a deficient number, since it is larger than the sum of its proper divisors (48664124).

53530444 is a wasteful number, since it uses less digits than its factorization.

53530444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216616 (or 1216614 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 53530444 is about 7316.4502321823. The cubic root of 53530444 is about 376.8775620433.

Adding to 53530444 its reverse (44403535), we get a palindrome (97933979).

The spelling of 53530444 in words is "fifty-three million, five hundred thirty thousand, four hundred forty-four".