205554056 has 24 divisors (see below), whose sum is σ = 398262510. Its totient is φ = 99457920.

The previous prime is 205554047. The next prime is 205554067. The reversal of 205554056 is 650455502.

205554056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 161544100 + 44009956 = 12710^2 + 6634^2 .

It is a super-2 number, since 2×205554056² = 84504939876102272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5681 + ... + 21056.

Almost surely, 2^205554056 is an apocalyptic number.

It is an amenable number.

205554056 is a deficient number, since it is larger than the sum of its proper divisors (192708454).

205554056 is a wasteful number, since it uses less digits than its factorization.

205554056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26805 (or 26770 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 205554056 is about 14337.1564823713. The cubic root of 205554056 is about 590.1675823871.

The spelling of 205554056 in words is "two hundred five million, five hundred fifty-four thousand, fifty-six".