5321043551 has 4 divisors (see below), whose sum is σ = 5372704272. Its totient is φ = 5269382832.

The previous prime is 5321043523. The next prime is 5321043589. The reversal of 5321043551 is 1553401235.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5321043551 - 2⁶ = 5321043487 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 (5321043451) 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 3 ways as a sum of consecutive naturals, for example, 25830206 + ... + 25830411.

It is an arithmetic number, because the mean of its divisors is an integer number (1343176068).

Almost surely, 2^5321043551 is an apocalyptic number.

5321043551 is a deficient number, since it is larger than the sum of its proper divisors (51660721).

5321043551 is a wasteful number, since it uses less digits than its factorization.

5321043551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51660720.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 5321043551 is about 72945.4834174125. The cubic root of 5321043551 is about 1745.8178831142.

Adding to 5321043551 its reverse (1553401235), we get a palindrome (6874444786).

The spelling of 5321043551 in words is "five billion, three hundred twenty-one million, forty-three thousand, five hundred fifty-one".