6550040355423 has 16 divisors (see below), whose sum is σ = 8857368124416. Its totient is φ = 4304716627680.

The previous prime is 6550040355413. The next prime is 6550040355433. The reversal of 6550040355423 is 3245530400556.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6550040355413) and next prime (6550040355433).

It is not a de Polignac number, because 6550040355423 - 2²¹ = 6550038258271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6550040355413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249861 + ... + 3628017.

It is an arithmetic number, because the mean of its divisors is an integer number (553585507776).

Almost surely, 2^{6550040355423} is an apocalyptic number.

6550040355423 is a deficient number, since it is larger than the sum of its proper divisors (2307327768993).

6550040355423 is a wasteful number, since it uses less digits than its factorization.

6550040355423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387334.

The product of its (nonzero) digits is 1080000, while the sum is 42.

Adding to 6550040355423 its reverse (3245530400556), we get a palindrome (9795570755979).

The spelling of 6550040355423 in words is "six trillion, five hundred fifty billion, forty million, three hundred fifty-five thousand, four hundred twenty-three".