6551532043 has 8 divisors (see below), whose sum is σ = 7577676288. Its totient is φ = 5547940584.

The previous prime is 6551531989. The next prime is 6551532049. The reversal of 6551532043 is 3402351556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6551532043 is a prime.

It is a super-2 number, since 2×6551532043² = 85845144220911507698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6551532049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5637571 + ... + 5638732.

It is an arithmetic number, because the mean of its divisors is an integer number (947209536).

Almost surely, 2^6551532043 is an apocalyptic number.

6551532043 is a deficient number, since it is larger than the sum of its proper divisors (1026144245).

6551532043 is a wasteful number, since it uses less digits than its factorization.

6551532043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11276393.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 6551532043 is about 80941.5347210565. The cubic root of 6551532043 is about 1871.1744976689.

Adding to 6551532043 its reverse (3402351556), we get a palindrome (9953883599).

The spelling of 6551532043 in words is "six billion, five hundred fifty-one million, five hundred thirty-two thousand, forty-three".