552521200 has 120 divisors (see below), whose sum is σ = 1655072640. Its totient is φ = 172204800.

The previous prime is 552521141. The next prime is 552521201. The reversal of 552521200 is 2125255.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552521201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21831 + ... + 39769.

It is an arithmetic number, because the mean of its divisors is an integer number (13792272).

Almost surely, 2^552521200 is an apocalyptic number.

552521200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552521200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (827536320).

552521200 is an abundant number, since it is smaller than the sum of its proper divisors (1102551440).

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

552521200 is a wasteful number, since it uses less digits than its factorization.

552521200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17975 (or 17964 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 552521200 is about 23505.7695045280. The cubic root of 552521200 is about 820.5712854207.

Adding to 552521200 its reverse (2125255), we get a palindrome (554646455).

The spelling of 552521200 in words is "five hundred fifty-two million, five hundred twenty-one thousand, two hundred".