2566053506 has 8 divisors (see below), whose sum is σ = 3850271820. Its totient is φ = 1282629568.

The previous prime is 2566053499. The next prime is 2566053521. The reversal of 2566053506 is 6053506652.

2566053506 is digitally balanced in base 2, 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 2 ways, for example, as 2503501225 + 62552281 = 50035^2 + 7909^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2566053506.

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, 190451 + ... + 203478.

Almost surely, 2^2566053506 is an apocalyptic number.

2566053506 is a deficient number, since it is larger than the sum of its proper divisors (1284218314).

2566053506 is a wasteful number, since it uses less digits than its factorization.

2566053506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397188.

The product of its (nonzero) digits is 162000, while the sum is 38.

The square root of 2566053506 is about 50656.2286989468. The cubic root of 2566053506 is about 1369.0581741378.

The spelling of 2566053506 in words is "two billion, five hundred sixty-six million, fifty-three thousand, five hundred six".