5551433213 has 4 divisors (see below), whose sum is σ = 5552563968. Its totient is φ = 5550302460.

The previous prime is 5551433191. The next prime is 5551433267. The reversal of 5551433213 is 3123341555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3123341555 = 5 ⋅624668311.

It is a cyclic number.

It is not a de Polignac number, because 5551433213 - 2¹⁶ = 5551367677 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5551433213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551433273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557981 + ... + 567842.

It is an arithmetic number, because the mean of its divisors is an integer number (1388140992).

Almost surely, 2^5551433213 is an apocalyptic number.

It is an amenable number.

5551433213 is a deficient number, since it is larger than the sum of its proper divisors (1130755).

5551433213 is a wasteful number, since it uses less digits than its factorization.

5551433213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130754.

The product of its digits is 27000, while the sum is 32.

The square root of 5551433213 is about 74507.9406036699. The cubic root of 5551433213 is about 1770.6594426444.

Adding to 5551433213 its reverse (3123341555), we get a palindrome (8674774768).

The spelling of 5551433213 in words is "five billion, five hundred fifty-one million, four hundred thirty-three thousand, two hundred thirteen".