52669144 has 32 divisors (see below), whose sum is σ = 109045440. Its totient is φ = 23648800.

The previous prime is 52669117. The next prime is 52669151. The reversal of 52669144 is 44196625.

52669144 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, 3699 + ... + 10909.

It is an arithmetic number, because the mean of its divisors is an integer number (3407670).

Almost surely, 2^52669144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52669144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54522720).

52669144 is an abundant number, since it is smaller than the sum of its proper divisors (56376296).

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

52669144 is a wasteful number, since it uses less digits than its factorization.

52669144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7311 (or 7307 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 52669144 is about 7257.3510318848. The cubic root of 52669144 is about 374.8453145723.

The spelling of 52669144 in words is "fifty-two million, six hundred sixty-nine thousand, one hundred forty-four".