6403055 has 8 divisors (see below), whose sum is σ = 7948800. Its totient is φ = 4945696.

The previous prime is 6403051. The next prime is 6403063. The reversal of 6403055 is 5503046.

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

It is a cyclic number.

It is not a de Polignac number, because 6403055 - 2² = 6403051 is a prime.

It is a super-2 number, since 2×6403055² = 81998226666050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6403055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6403051) 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, 21935 + ... + 22224.

It is an arithmetic number, because the mean of its divisors is an integer number (993600).

Almost surely, 2^6403055 is an apocalyptic number.

6403055 is a deficient number, since it is larger than the sum of its proper divisors (1545745).

6403055 is a wasteful number, since it uses less digits than its factorization.

6403055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44193.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 6403055 is about 2530.4258534879. The cubic root of 6403055 is about 185.6930904242.

Subtracting from 6403055 its reverse (5503046), we obtain a palindrome (900009).

The spelling of 6403055 in words is "six million, four hundred three thousand, fifty-five".