52552444 has 24 divisors (see below), whose sum is σ = 105356160. Its totient is φ = 22468656.

The previous prime is 52552441. The next prime is 52552501. The reversal of 52552444 is 44425525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52552441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11067 + ... + 15085.

It is an arithmetic number, because the mean of its divisors is an integer number (4389840).

Almost surely, 2^52552444 is an apocalyptic number.

It is an amenable number.

52552444 is an abundant number, since it is smaller than the sum of its proper divisors (52803716).

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

52552444 is a wasteful number, since it uses less digits than its factorization.

52552444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4497 (or 4495 counting only the distinct ones).

The product of its digits is 32000, while the sum is 31.

The square root of 52552444 is about 7249.3064495854. The cubic root of 52552444 is about 374.5682592721.

Adding to 52552444 its reverse (44425525), we get a palindrome (96977969).

The spelling of 52552444 in words is "fifty-two million, five hundred fifty-two thousand, four hundred forty-four".