2005454655 has 48 divisors (see below), whose sum is σ = 3668202720. Its totient is φ = 1010755584.

The previous prime is 2005454641. The next prime is 2005454677. The reversal of 2005454655 is 5564545002.

2005454655 is a `hidden beast` number, since 20 + 0 + 545 + 46 + 55 = 666.

It is not a de Polignac number, because 2005454655 - 2⁷ = 2005454527 is a prime.

It is a super-2 number, since 2×2005454655² = 8043696746522338050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 367507 + ... + 372923.

It is an arithmetic number, because the mean of its divisors is an integer number (76420890).

Almost surely, 2^2005454655 is an apocalyptic number.

2005454655 is a deficient number, since it is larger than the sum of its proper divisors (1662748065).

2005454655 is a wasteful number, since it uses less digits than its factorization.

2005454655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5880 (or 5877 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The square root of 2005454655 is about 44782.3029220249. The cubic root of 2005454655 is about 1261.0654159466.

Adding to 2005454655 its reverse (5564545002), we get a palindrome (7569999657).

The spelling of 2005454655 in words is "two billion, five million, four hundred fifty-four thousand, six hundred fifty-five".