6550423143 has 8 divisors (see below), whose sum is σ = 9527888256. Its totient is φ = 3969953400.

The previous prime is 6550423141. The next prime is 6550423157. The reversal of 6550423143 is 3413240556.

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

It is not a de Polignac number, because 6550423143 - 2¹ = 6550423141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 198497671 = 6550423143 / (6 + 5 + 5 + 0 + 4 + 2 + 3 + 1 + 4 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6550423141) 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, 99248803 + ... + 99248868.

It is an arithmetic number, because the mean of its divisors is an integer number (1190986032).

Almost surely, 2^6550423143 is an apocalyptic number.

6550423143 is a deficient number, since it is larger than the sum of its proper divisors (2977465113).

6550423143 is a wasteful number, since it uses less digits than its factorization.

6550423143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198497685.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 6550423143 is about 80934.6844251585. The cubic root of 6550423143 is about 1871.0689212192.

Adding to 6550423143 its reverse (3413240556), we get a palindrome (9963663699).

The spelling of 6550423143 in words is "six billion, five hundred fifty million, four hundred twenty-three thousand, one hundred forty-three".