203053050552 has 128 divisors (see below), whose sum is σ = 563504947200. Its totient is φ = 60452054400.

The previous prime is 203053050533. The next prime is 203053050659. The reversal of 203053050552 is 255050350302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37551033 + ... + 37556439.

It is an arithmetic number, because the mean of its divisors is an integer number (4402382400).

Almost surely, 2^203053050552 is an apocalyptic number.

203053050552 is a gapful number since it is divisible by the number (22) 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 203053050552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281752473600).

203053050552 is an abundant number, since it is smaller than the sum of its proper divisors (360451896648).

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

203053050552 is a wasteful number, since it uses less digits than its factorization.

203053050552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7897 (or 7893 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 30.

The spelling of 203053050552 in words is "two hundred three billion, fifty-three million, fifty thousand, five hundred fifty-two".