2053553517 has 6 divisors (see below), whose sum is σ = 2966243982. Its totient is φ = 1369035672.

The previous prime is 2053553507. The next prime is 2053553521. The reversal of 2053553517 is 7153553502.

2053553517 is a `hidden beast` number, since 2 + 0 + 53 + 553 + 51 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1427252841 + 626300676 = 37779^2 + 25026^2 .

It is not a de Polignac number, because 2053553517 - 2⁴ = 2053553501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053553507) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114086298 + ... + 114086315.

It is an arithmetic number, because the mean of its divisors is an integer number (494373997).

Almost surely, 2^2053553517 is an apocalyptic number.

It is an amenable number.

2053553517 is a deficient number, since it is larger than the sum of its proper divisors (912690465).

2053553517 is a wasteful number, since it uses less digits than its factorization.

2053553517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228172619 (or 228172616 counting only the distinct ones).

The product of its (nonzero) digits is 78750, while the sum is 36.

The square root of 2053553517 is about 45316.1507301757. The cubic root of 2053553517 is about 1271.0676778116.

The spelling of 2053553517 in words is "two billion, fifty-three million, five hundred fifty-three thousand, five hundred seventeen".