2006056555 has 4 divisors (see below), whose sum is σ = 2407267872. Its totient is φ = 1604845240.

The previous prime is 2006056517. The next prime is 2006056561. The reversal of 2006056555 is 5556506002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5556506002 = 2 ⋅2778253001.

It is not a de Polignac number, because 2006056555 - 2¹¹ = 2006054507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2006056555.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200605651 + ... + 200605660.

It is an arithmetic number, because the mean of its divisors is an integer number (601816968).

Almost surely, 2^2006056555 is an apocalyptic number.

2006056555 is a deficient number, since it is larger than the sum of its proper divisors (401211317).

2006056555 is an equidigital number, since it uses as much as digits as its factorization.

2006056555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401211316.

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 2006056555 is about 44789.0227064624. The cubic root of 2006056555 is about 1261.1915651215.

The spelling of 2006056555 in words is "two billion, six million, fifty-six thousand, five hundred fifty-five".