2055563 has 4 divisors (see below), whose sum is σ = 2069328. Its totient is φ = 2041800.

The previous prime is 2055551. The next prime is 2055569. The reversal of 2055563 is 3655502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3655502 = 2 ⋅1827751.

It is a cyclic number.

It is not a de Polignac number, because 2055563 - 2⁸ = 2055307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2055569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6656 + ... + 6957.

It is an arithmetic number, because the mean of its divisors is an integer number (517332).

2^2055563 is an apocalyptic number.

2055563 is a deficient number, since it is larger than the sum of its proper divisors (13765).

2055563 is a wasteful number, since it uses less digits than its factorization.

2055563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13764.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 2055563 is about 1433.7234740354. The cubic root of 2055563 is about 127.1482139248.

The spelling of 2055563 in words is "two million, fifty-five thousand, five hundred sixty-three".