6455559 has 16 divisors (see below), whose sum is σ = 9569664. Its totient is φ = 3837600.

The previous prime is 6455557. The next prime is 6455567. The reversal of 6455559 is 9555546.

It is not a de Polignac number, because 6455559 - 2¹ = 6455557 is a prime.

6455559 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6455557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97 + ... + 3594.

It is an arithmetic number, because the mean of its divisors is an integer number (598104).

Almost surely, 2^6455559 is an apocalyptic number.

6455559 is a deficient number, since it is larger than the sum of its proper divisors (3114105).

6455559 is a wasteful number, since it uses less digits than its factorization.

6455559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3758.

The product of its digits is 135000, while the sum is 39.

The square root of 6455559 is about 2540.7792111870. The cubic root of 6455559 is about 186.1992603853.

The spelling of 6455559 in words is "six million, four hundred fifty-five thousand, five hundred fifty-nine".