5556311421 has 16 divisors (see below), whose sum is σ = 7477747200. Its totient is φ = 3669638960.

The previous prime is 5556311419. The next prime is 5556311441. The reversal of 5556311421 is 1241136555.

It is a cyclic number.

It is not a de Polignac number, because 5556311421 - 2¹ = 5556311419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5556311401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223606 + ... + 247208.

It is an arithmetic number, because the mean of its divisors is an integer number (467359200).

Almost surely, 2^5556311421 is an apocalyptic number.

It is an amenable number.

5556311421 is a deficient number, since it is larger than the sum of its proper divisors (1921435779).

5556311421 is a wasteful number, since it uses less digits than its factorization.

5556311421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24336.

The product of its digits is 18000, while the sum is 33.

The square root of 5556311421 is about 74540.6695770839. The cubic root of 5556311421 is about 1771.1779343510.

Adding to 5556311421 its reverse (1241136555), we get a palindrome (6797447976).

The spelling of 5556311421 in words is "five billion, five hundred fifty-six million, three hundred eleven thousand, four hundred twenty-one".