2053515505 has 4 divisors (see below), whose sum is σ = 2464218612. Its totient is φ = 1642812400.

The previous prime is 2053515481. The next prime is 2053515517. The reversal of 2053515505 is 5055153502.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 305690256 + 1747825249 = 17484^2 + 41807^2 .

It is not a de Polignac number, because 2053515505 - 2⁷ = 2053515377 is a prime.

It is a Duffinian number.

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, 205351546 + ... + 205351555.

It is an arithmetic number, because the mean of its divisors is an integer number (616054653).

Almost surely, 2^2053515505 is an apocalyptic number.

It is an amenable number.

2053515505 is a deficient number, since it is larger than the sum of its proper divisors (410703107).

2053515505 is an equidigital number, since it uses as much as digits as its factorization.

2053515505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410703106.

The product of its (nonzero) digits is 18750, while the sum is 31.

The square root of 2053515505 is about 45315.7313192670. The cubic root of 2053515505 is about 1271.0598351262.

The spelling of 2053515505 in words is "two billion, fifty-three million, five hundred fifteen thousand, five hundred five".