553205240 has 64 divisors (see below), whose sum is σ = 1446681600. Its totient is φ = 186450048.

The previous prime is 553205239. The next prime is 553205249. The reversal of 553205240 is 42502355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553205249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224 + ... + 33263.

It is an arithmetic number, because the mean of its divisors is an integer number (22604400).

Almost surely, 2^553205240 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 553205240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (723340800).

553205240 is an abundant number, since it is smaller than the sum of its proper divisors (893476360).

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

553205240 is a wasteful number, since it uses less digits than its factorization.

553205240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33564 (or 33560 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 553205240 is about 23520.3154740747. The cubic root of 553205240 is about 820.9097774723.

Adding to 553205240 its reverse (42502355), we get a palindrome (595707595).

The spelling of 553205240 in words is "five hundred fifty-three million, two hundred five thousand, two hundred forty".