5550621000 has 128 divisors (see below), whose sum is σ = 17740719360. Its totient is φ = 1444032000.

The previous prime is 5550620953. The next prime is 5550621029. The reversal of 5550621000 is 1260555.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 100437 + ... + 145563.

It is an arithmetic number, because the mean of its divisors is an integer number (138599370).

Almost surely, 2^5550621000 is an apocalyptic number.

5550621000 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 5550621000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8870359680).

5550621000 is an abundant number, since it is smaller than the sum of its proper divisors (12190098360).

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

5550621000 is a wasteful number, since it uses less digits than its factorization.

5550621000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45192 (or 45178 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 5550621000 is about 74502.4898912781. The cubic root of 5550621000 is about 1770.5730851997.

Adding to 5550621000 its reverse (1260555), we get a palindrome (5551881555).

The spelling of 5550621000 in words is "five billion, five hundred fifty million, six hundred twenty-one thousand".