6657055 has 4 divisors (see below), whose sum is σ = 7988472. Its totient is φ = 5325640.

The previous prime is 6657041. The next prime is 6657061. The reversal of 6657055 is 5507566.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5507566 = 2 ⋅2753783.

It is not a de Polignac number, because 6657055 - 2⁵ = 6657023 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 6657055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665701 + ... + 665710.

It is an arithmetic number, because the mean of its divisors is an integer number (1997118).

Almost surely, 2^6657055 is an apocalyptic number.

6657055 is a deficient number, since it is larger than the sum of its proper divisors (1331417).

6657055 is a wasteful number, since it uses less digits than its factorization.

6657055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331416.

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 6657055 is about 2580.1269348619. The cubic root of 6657055 is about 188.1167130266.

It can be divided in two parts, 66 and 57055, that added together give a square (57121 = 239²).

The spelling of 6657055 in words is "six million, six hundred fifty-seven thousand, fifty-five".