52649344 has 64 divisors (see below), whose sum is σ = 116488080. Its totient is φ = 23500800.

The previous prime is 52649287. The next prime is 52649347. The reversal of 52649344 is 44394625.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52649347) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 85582 + ... + 86194.

Almost surely, 2^52649344 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 52649344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58244040).

52649344 is an abundant number, since it is smaller than the sum of its proper divisors (63838736).

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

52649344 is a wasteful number, since it uses less digits than its factorization.

52649344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699 (or 687 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 52649344 is about 7255.9867695579. The cubic root of 52649344 is about 374.7983366081.

The spelling of 52649344 in words is "fifty-two million, six hundred forty-nine thousand, three hundred forty-four".