6255551 has 4 divisors (see below), whose sum is σ = 6270432. Its totient is φ = 6240672.

The previous prime is 6255547. The next prime is 6255577. The reversal of 6255551 is 1555526.

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

It is a cyclic number.

It is not a de Polignac number, because 6255551 - 2² = 6255547 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 (6255581) 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, 6791 + ... + 7656.

It is an arithmetic number, because the mean of its divisors is an integer number (1567608).

Almost surely, 2^6255551 is an apocalyptic number.

6255551 is a deficient number, since it is larger than the sum of its proper divisors (14881).

6255551 is a wasteful number, since it uses less digits than its factorization.

6255551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14880.

The product of its digits is 7500, while the sum is 29.

The square root of 6255551 is about 2501.1099536006. The cubic root of 6255551 is about 184.2560922854.

The spelling of 6255551 in words is "six million, two hundred fifty-five thousand, five hundred fifty-one".