6555045 has 32 divisors (see below), whose sum is σ = 12091392. Its totient is φ = 2970432.

The previous prime is 6555041. The next prime is 6555067. The reversal of 6555045 is 5405556.

It is not a de Polignac number, because 6555045 - 2² = 6555041 is a prime.

It is a super-2 number, since 2×6555045² = 85937229904050, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6555041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16924 + ... + 17306.

It is an arithmetic number, because the mean of its divisors is an integer number (377856).

Almost surely, 2^6555045 is an apocalyptic number.

It is an amenable number.

6555045 is a deficient number, since it is larger than the sum of its proper divisors (5536347).

6555045 is a wasteful number, since it uses less digits than its factorization.

6555045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 6555045 is about 2560.2822110072. The cubic root of 6555045 is about 187.1508881595.

The spelling of 6555045 in words is "six million, five hundred fifty-five thousand, forty-five".