2053445513 has 8 divisors (see below), whose sum is σ = 2349533760. Its totient is φ = 1758042000.

The previous prime is 2053445507. The next prime is 2053445531. The reversal of 2053445513 is 3155443502.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2053445513 - 2¹⁸ = 2053183369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2053445513.

It is not an unprimeable number, because it can be changed into a prime (2053445533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164738 + ... + 176763.

It is an arithmetic number, because the mean of its divisors is an integer number (293691720).

Almost surely, 2^2053445513 is an apocalyptic number.

It is an amenable number.

2053445513 is a deficient number, since it is larger than the sum of its proper divisors (296088247).

2053445513 is an equidigital number, since it uses as much as digits as its factorization.

2053445513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342367.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 2053445513 is about 45314.9590422412. The cubic root of 2053445513 is about 1271.0453940323.

The spelling of 2053445513 in words is "two billion, fifty-three million, four hundred forty-five thousand, five hundred thirteen".