5550421300 has 18 divisors (see below), whose sum is σ = 12044414438. Its totient is φ = 2220168480.

The previous prime is 5550421277. The next prime is 5550421333. The reversal of 5550421300 is 31240555.

It can be written as a sum of positive squares in 3 ways, for example, as 90098064 + 5460323236 = 9492^2 + 73894^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27752007 + ... + 27752206.

Almost surely, 2^5550421300 is an apocalyptic number.

5550421300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5550421300 is an abundant number, since it is smaller than the sum of its proper divisors (6493993138).

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

5550421300 is a wasteful number, since it uses less digits than its factorization.

5550421300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55504227 (or 55504220 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 5550421300 is about 74501.1496555590. The cubic root of 5550421300 is about 1770.5518510780.

Adding to 5550421300 its reverse (31240555), we get a palindrome (5581661855).

The spelling of 5550421300 in words is "five billion, five hundred fifty million, four hundred twenty-one thousand, three hundred".