5553321421 has 8 divisors (see below), whose sum is σ = 5622470784. Its totient is φ = 5484225600.

The previous prime is 5553321401. The next prime is 5553321469. The reversal of 5553321421 is 1241233555.

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 5553321421 - 2⁹ = 5553320909 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 (5553321401) 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, 220540 + ... + 244426.

It is an arithmetic number, because the mean of its divisors is an integer number (702808848).

Almost surely, 2^5553321421 is an apocalyptic number.

It is an amenable number.

5553321421 is a deficient number, since it is larger than the sum of its proper divisors (69149363).

5553321421 is a wasteful number, since it uses less digits than its factorization.

5553321421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26771.

The product of its digits is 18000, while the sum is 31.

The square root of 5553321421 is about 74520.6107127417. The cubic root of 5553321421 is about 1770.8601712496.

Adding to 5553321421 its reverse (1241233555), we get a palindrome (6794554976).

The spelling of 5553321421 in words is "five billion, five hundred fifty-three million, three hundred twenty-one thousand, four hundred twenty-one".