2056558450 has 12 divisors (see below), whose sum is σ = 3825198810. Its totient is φ = 822623360.

The previous prime is 2056558429. The next prime is 2056558487. The reversal of 2056558450 is 548556502.

It can be written as a sum of positive squares in 3 ways, for example, as 1433606769 + 622951681 = 37863^2 + 24959^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20565535 + ... + 20565634.

Almost surely, 2^2056558450 is an apocalyptic number.

2056558450 is a deficient number, since it is larger than the sum of its proper divisors (1768640360).

2056558450 is a wasteful number, since it uses less digits than its factorization.

2056558450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41131181 (or 41131176 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

The square root of 2056558450 is about 45349.2938203011. The cubic root of 2056558450 is about 1271.6873535265.

The spelling of 2056558450 in words is "two billion, fifty-six million, five hundred fifty-eight thousand, four hundred fifty".