6655442 has 8 divisors (see below), whose sum is σ = 10327500. Its totient is φ = 3212944.

The previous prime is 6655423. The next prime is 6655531. The reversal of 6655442 is 2445566.

It can be written as a sum of positive squares in 2 ways, for example, as 6558721 + 96721 = 2561^2 + 311^2 .

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

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6655399 and 6655408.

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, 57317 + ... + 57432.

Almost surely, 2^6655442 is an apocalyptic number.

6655442 is a deficient number, since it is larger than the sum of its proper divisors (3672058).

6655442 is a wasteful number, since it uses less digits than its factorization.

6655442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114780.

The product of its digits is 28800, while the sum is 32.

The square root of 6655442 is about 2579.8143344047. The cubic root of 6655442 is about 188.1015182812.

The spelling of 6655442 in words is "six million, six hundred fifty-five thousand, four hundred forty-two".