52551444 has 24 divisors (see below), whose sum is σ = 133767648. Its totient is φ = 15924640.

The previous prime is 52551413. The next prime is 52551467. The reversal of 52551444 is 44415525.

52551444 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 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 7 ways as a sum of consecutive naturals, for example, 198927 + ... + 199190.

It is an arithmetic number, because the mean of its divisors is an integer number (5573652).

Almost surely, 2^52551444 is an apocalyptic number.

It is an amenable number.

52551444 is an abundant number, since it is smaller than the sum of its proper divisors (81216204).

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

52551444 is a wasteful number, since it uses less digits than its factorization.

52551444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398135 (or 398133 counting only the distinct ones).

The product of its digits is 16000, while the sum is 30.

The square root of 52551444 is about 7249.2374771420. The cubic root of 52551444 is about 374.5658834192.

Adding to 52551444 its reverse (44415525), we get a palindrome (96966969).

The spelling of 52551444 in words is "fifty-two million, five hundred fifty-one thousand, four hundred forty-four".