2002550550 has 192 divisors, whose sum is σ = 6668573184. Its totient is φ = 384076800.

The previous prime is 2002550503. The next prime is 2002550567. The reversal of 2002550550 is 550552002.

It is a self number, because there is not a number n which added to its sum of digits gives 2002550550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 143482 + ... + 156818.

It is an arithmetic number, because the mean of its divisors is an integer number (34732152).

Almost surely, 2^2002550550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2002550550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3334286592).

2002550550 is an abundant number, since it is smaller than the sum of its proper divisors (4666022634).

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

2002550550 is a wasteful number, since it uses less digits than its factorization.

2002550550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13383 (or 13378 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 2002550550 is about 44749.8664802477. The cubic root of 2002550550 is about 1260.4564043236.

The spelling of 2002550550 in words is "two billion, two million, five hundred fifty thousand, five hundred fifty".