6550055439464 has 64 divisors (see below), whose sum is σ = 13466340933840. Its totient is φ = 2974643343360.

The previous prime is 6550055439427. The next prime is 6550055439469. The reversal of 6550055439464 is 4649345500556.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3834711730564 + 2715343708900 = 1958242^2 + 1647830^2 .

It is not an unprimeable number, because it can be changed into a prime (6550055439469) 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, 7008839 + ... + 7888214.

Almost surely, 2^{6550055439464} is an apocalyptic number.

It is an amenable number.

6550055439464 is an abundant number, since it is smaller than the sum of its proper divisors (6916285494376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6550055439464 is a wasteful number, since it uses less digits than its factorization.

6550055439464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14897190 (or 14897186 counting only the distinct ones).

The product of its (nonzero) digits is 38880000, while the sum is 56.

The spelling of 6550055439464 in words is "six trillion, five hundred fifty billion, fifty-five million, four hundred thirty-nine thousand, four hundred sixty-four".