6468553 has 16 divisors (see below), whose sum is σ = 8221696. Its totient is φ = 4950720.

The previous prime is 6468541. The next prime is 6468559. The reversal of 6468553 is 3558646.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6468553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6468559) 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, 1675 + ... + 3967.

It is an arithmetic number, because the mean of its divisors is an integer number (513856).

Almost surely, 2^6468553 is an apocalyptic number.

It is an amenable number.

6468553 is a deficient number, since it is larger than the sum of its proper divisors (1753143).

6468553 is a wasteful number, since it uses less digits than its factorization.

6468553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2344.

The product of its digits is 86400, while the sum is 37.

The square root of 6468553 is about 2543.3350152900. The cubic root of 6468553 is about 186.3241063599.

It can be divided in two parts, 6468 and 553, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 6468553 in words is "six million, four hundred sixty-eight thousand, five hundred fifty-three".