52449648 has 60 divisors (see below), whose sum is σ = 138454680. Its totient is φ = 17109248.

The previous prime is 52449647. The next prime is 52449653. The reversal of 52449648 is 84694425.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52449647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134638 + ... + 135026.

It is an arithmetic number, because the mean of its divisors is an integer number (2307578).

Almost surely, 2^52449648 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 52449648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69227340).

52449648 is an abundant number, since it is smaller than the sum of its proper divisors (86005032).

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

52449648 is a wasteful number, since it uses less digits than its factorization.

52449648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 447 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 52449648 is about 7242.2129214764. The cubic root of 52449648 is about 374.3238732284.

The spelling of 52449648 in words is "fifty-two million, four hundred forty-nine thousand, six hundred forty-eight".