5550245221 has 8 divisors (see below), whose sum is σ = 5893672320. Its totient is φ = 5208700608.

The previous prime is 5550245213. The next prime is 5550245237. The reversal of 5550245221 is 1225420555.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5550245221 - 2³ = 5550245213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550245201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464541 + ... + 476338.

It is an arithmetic number, because the mean of its divisors is an integer number (736709040).

Almost surely, 2^5550245221 is an apocalyptic number.

It is an amenable number.

5550245221 is a deficient number, since it is larger than the sum of its proper divisors (343427099).

5550245221 is a wasteful number, since it uses less digits than its factorization.

5550245221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941243.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 5550245221 is about 74499.9679261676. The cubic root of 5550245221 is about 1770.5331281571.

Adding to 5550245221 its reverse (1225420555), we get a palindrome (6775665776).

The spelling of 5550245221 in words is "five billion, five hundred fifty million, two hundred forty-five thousand, two hundred twenty-one".