6005551 has 4 divisors (see below), whose sum is σ = 6107400. Its totient is φ = 5903704.

The previous prime is 6005533. The next prime is 6005569. The reversal of 6005551 is 1555006.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6005533) and next prime (6005569).

It is a cyclic number.

It is not a de Polignac number, because 6005551 - 2⁹ = 6005039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6005591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50836 + ... + 50953.

It is an arithmetic number, because the mean of its divisors is an integer number (1526850).

Almost surely, 2^6005551 is an apocalyptic number.

6005551 is a deficient number, since it is larger than the sum of its proper divisors (101849).

6005551 is a wasteful number, since it uses less digits than its factorization.

6005551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101848.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 6005551 is about 2450.6225739595. The cubic root of 6005551 is about 181.7680799907.

It can be divided in two parts, 60055 and 51, that added together give a palindrome (60106).

The spelling of 6005551 in words is "six million, five thousand, five hundred fifty-one".