53506444 has 12 divisors (see below), whose sum is σ = 94689000. Its totient is φ = 26452448.

The previous prime is 53506417. The next prime is 53506459. The reversal of 53506444 is 44460535.

It is a zygodrome in base 2.

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 3 ways as a sum of consecutive naturals, for example, 74794 + ... + 75505.

It is an arithmetic number, because the mean of its divisors is an integer number (7890750).

Almost surely, 2^53506444 is an apocalyptic number.

It is an amenable number.

53506444 is a deficient number, since it is larger than the sum of its proper divisors (41182556).

53506444 is a wasteful number, since it uses less digits than its factorization.

53506444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150392 (or 150390 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 53506444 is about 7314.8099086716. The cubic root of 53506444 is about 376.8212301512.

Adding to 53506444 its reverse (44460535), we get a palindrome (97966979).

The spelling of 53506444 in words is "fifty-three million, five hundred six thousand, four hundred forty-four".