2455555 has 16 divisors (see below), whose sum is σ = 3062304. Its totient is φ = 1889280.

The previous prime is 2455553. The next prime is 2455561. The reversal of 2455555 is 5555542.

It is not a de Polignac number, because 2455555 - 2¹ = 2455553 is a prime.

It is a Duffinian number.

2455555 is a modest number, since divided by 5555 gives 245 as remainder.

It is a plaindrome in base 10 and base 15.

It is not an unprimeable number, because it can be changed into a prime (2455553) 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, 25267 + ... + 25363.

It is an arithmetic number, because the mean of its divisors is an integer number (191394).

2^2455555 is an apocalyptic number.

2455555 is a deficient number, since it is larger than the sum of its proper divisors (606749).

2455555 is an equidigital number, since it uses as much as digits as its factorization.

2455555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246.

The product of its digits is 25000, while the sum is 31.

The square root of 2455555 is about 1567.0210592076. The cubic root of 2455555 is about 134.9117850760.

The spelling of 2455555 in words is "two million, four hundred fifty-five thousand, five hundred fifty-five".