6855507 has 12 divisors (see below), whose sum is σ = 10051080. Its totient is φ = 4501728.

The previous prime is 6855493. The next prime is 6855529. The reversal of 6855507 is 7055586.

It is not a de Polignac number, because 6855507 - 2⁴ = 6855491 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (6855007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5082 + ... + 6287.

It is an arithmetic number, because the mean of its divisors is an integer number (837590).

Almost surely, 2^6855507 is an apocalyptic number.

6855507 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

6855507 is a deficient number, since it is larger than the sum of its proper divisors (3195573).

6855507 is a wasteful number, since it uses less digits than its factorization.

6855507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11442 (or 11439 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The square root of 6855507 is about 2618.3023125682. The cubic root of 6855507 is about 189.9677415225.

The spelling of 6855507 in words is "six million, eight hundred fifty-five thousand, five hundred seven".