6448326555 has 24 divisors (see below), whose sum is σ = 11340531216. Its totient is φ = 3126460480.

The previous prime is 6448326553. The next prime is 6448326557. The reversal of 6448326555 is 5556238446.

It is an interprime number because it is at equal distance from previous prime (6448326553) and next prime (6448326557).

It is not a de Polignac number, because 6448326555 - 2¹ = 6448326553 is a prime.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6448326553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1774584 + ... + 1778213.

It is an arithmetic number, because the mean of its divisors is an integer number (472522134).

Almost surely, 2^6448326555 is an apocalyptic number.

6448326555 is a deficient number, since it is larger than the sum of its proper divisors (4892204661).

6448326555 is a wasteful number, since it uses less digits than its factorization.

6448326555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3552827 (or 3552816 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 48.

The square root of 6448326555 is about 80301.4729316966. The cubic root of 6448326555 is about 1861.2969867695.

The spelling of 6448326555 in words is "six billion, four hundred forty-eight million, three hundred twenty-six thousand, five hundred fifty-five".