53444120 has 16 divisors (see below), whose sum is σ = 120249360. Its totient is φ = 21377632.

The previous prime is 53444119. The next prime is 53444137. The reversal of 53444120 is 2144435.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668012 + ... + 668091.

It is an arithmetic number, because the mean of its divisors is an integer number (7515585).

Almost surely, 2^53444120 is an apocalyptic number.

It is an amenable number.

53444120 is an abundant number, since it is smaller than the sum of its proper divisors (66805240).

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

53444120 is a wasteful number, since it uses less digits than its factorization.

53444120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336114 (or 1336110 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 53444120 is about 7310.5485430301. The cubic root of 53444120 is about 376.6748669041.

Adding to 53444120 its reverse (2144435), we get a palindrome (55588555).

The spelling of 53444120 in words is "fifty-three million, four hundred forty-four thousand, one hundred twenty".