6542655 has 16 divisors (see below), whose sum is σ = 11963904. Its totient is φ = 2990880.

The previous prime is 6542647. The next prime is 6542681. The reversal of 6542655 is 5562456.

It is a happy number.

It is not a de Polignac number, because 6542655 - 2³ = 6542647 is a prime.

It is a d-powerful number, because it can be written as 6³ + 5³ + 4⁹ + 2²² + 6⁸ + 5⁶ + 5⁸ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31051 + ... + 31260.

It is an arithmetic number, because the mean of its divisors is an integer number (747744).

Almost surely, 2^6542655 is an apocalyptic number.

6542655 is a deficient number, since it is larger than the sum of its proper divisors (5421249).

6542655 is a wasteful number, since it uses less digits than its factorization.

6542655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62326.

The product of its digits is 36000, while the sum is 33.

The square root of 6542655 is about 2557.8614114138. The cubic root of 6542655 is about 187.0328995467.

The spelling of 6542655 in words is "six million, five hundred forty-two thousand, six hundred fifty-five".