5552436421 has 24 divisors (see below), whose sum is σ = 6521071320. Its totient is φ = 4713633792.

The previous prime is 5552436389. The next prime is 5552436433. The reversal of 5552436421 is 1246342555.

It can be written as a sum of positive squares in 4 ways, for example, as 2217373921 + 3335062500 = 47089^2 + 57750^2 .

It is not a de Polignac number, because 5552436421 - 2⁵ = 5552436389 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 (5552430421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4517235 + ... + 4518463.

It is an arithmetic number, because the mean of its divisors is an integer number (271711305).

Almost surely, 2^5552436421 is an apocalyptic number.

It is an amenable number.

5552436421 is a deficient number, since it is larger than the sum of its proper divisors (968634899).

5552436421 is a wasteful number, since it uses less digits than its factorization.

5552436421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053 (or 2046 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The square root of 5552436421 is about 74514.6725215913. The cubic root of 5552436421 is about 1770.7660957470.

Adding to 5552436421 its reverse (1246342555), we get a palindrome (6798778976).

The spelling of 5552436421 in words is "five billion, five hundred fifty-two million, four hundred thirty-six thousand, four hundred twenty-one".