1005050550 has 96 divisors (see below), whose sum is σ = 2972524032. Its totient is φ = 219732480.

The previous prime is 1005050539. The next prime is 1005050609. The reversal of 1005050550 is 550505001.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3342 + ... + 44958.

It is an arithmetic number, because the mean of its divisors is an integer number (30963792).

Almost surely, 2^1005050550 is an apocalyptic number.

1005050550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1005050550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1486262016).

1005050550 is an abundant number, since it is smaller than the sum of its proper divisors (1967473482).

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

1005050550 is a wasteful number, since it uses less digits than its factorization.

1005050550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41662 (or 41657 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 21.

The square root of 1005050550 is about 31702.5322332460. The cubic root of 1005050550 is about 1001.6806903641.

Adding to 1005050550 its reverse (550505001), we get a palindrome (1555555551).

The spelling of 1005050550 in words is "one billion, five million, fifty thousand, five hundred fifty".