32553200000 has 192 divisors, whose sum is σ = 81993189600. Its totient is φ = 12871680000.

The previous prime is 32553199997. The next prime is 32553200003. The reversal of 32553200000 is 235523.

It is an interprime number because it is at equal distance from previous prime (32553199997) and next prime (32553200003).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32553200003) 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, 38799581 + ... + 38800419.

Almost surely, 2^32553200000 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 32553200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40996594800).

32553200000 is an abundant number, since it is smaller than the sum of its proper divisors (49439989600).

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

32553200000 is an frugal number, since it uses more digits than its factorization.

32553200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975 (or 943 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

Adding to 32553200000 its reverse (235523), we get a palindrome (32553435523).

The spelling of 32553200000 in words is "thirty-two billion, five hundred fifty-three million, two hundred thousand".