5551345321 has 8 divisors (see below), whose sum is σ = 5653171904. Its totient is φ = 5449867920.

The previous prime is 5551345229. The next prime is 5551345333. The reversal of 5551345321 is 1235431555.

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 5551345321 - 2²⁷ = 5417127593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5551345421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55101 + ... + 118906.

It is an arithmetic number, because the mean of its divisors is an integer number (706646488).

Almost surely, 2^5551345321 is an apocalyptic number.

It is an amenable number.

5551345321 is a deficient number, since it is larger than the sum of its proper divisors (101826583).

5551345321 is a wasteful number, since it uses less digits than its factorization.

5551345321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174591.

The product of its digits is 45000, while the sum is 34.

The square root of 5551345321 is about 74507.3507850064. The cubic root of 5551345321 is about 1770.6500980533.

Adding to 5551345321 its reverse (1235431555), we get a palindrome (6786776876).

The spelling of 5551345321 in words is "five billion, five hundred fifty-one million, three hundred forty-five thousand, three hundred twenty-one".