6511055 has 8 divisors (see below), whose sum is σ = 7923744. Its totient is φ = 5135200.

The previous prime is 6511049. The next prime is 6511073. The reversal of 6511055 is 5501156.

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

It is not a de Polignac number, because 6511055 - 2⁸ = 6510799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6511055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8816 + ... + 9525.

It is an arithmetic number, because the mean of its divisors is an integer number (990468).

Almost surely, 2^6511055 is an apocalyptic number.

6511055 is a deficient number, since it is larger than the sum of its proper divisors (1412689).

6511055 is a wasteful number, since it uses less digits than its factorization.

6511055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18417.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 6511055 is about 2551.6768996094. The cubic root of 6511055 is about 186.7313002512.

The spelling of 6511055 in words is "six million, five hundred eleven thousand, fifty-five".