53223248 has 60 divisors (see below), whose sum is σ = 115219188. Its totient is φ = 23662080.

The previous prime is 53223227. The next prime is 53223257. The reversal of 53223248 is 84232235.

It can be written as a sum of positive squares in 2 ways, for example, as 4892944 + 48330304 = 2212^2 + 6952^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53223248.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 673673 + ... + 673751.

Almost surely, 2^53223248 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 53223248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57609594).

53223248 is an abundant number, since it is smaller than the sum of its proper divisors (61995940).

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

53223248 is a wasteful number, since it uses less digits than its factorization.

53223248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 135 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 53223248 is about 7295.4265125488. The cubic root of 53223248 is about 376.1552474947.

The spelling of 53223248 in words is "fifty-three million, two hundred twenty-three thousand, two hundred forty-eight".