2053611563 has 8 divisors (see below), whose sum is σ = 2073047040. Its totient is φ = 2034266920.

The previous prime is 2053611559. The next prime is 2053611607. The reversal of 2053611563 is 3651163502.

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 2053611563 - 2² = 2053611559 is a prime.

It is a super-3 number, since 3×2053611563³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2053611503) 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, 23156 + ... + 68142.

It is an arithmetic number, because the mean of its divisors is an integer number (259130880).

Almost surely, 2^2053611563 is an apocalyptic number.

2053611563 is a deficient number, since it is larger than the sum of its proper divisors (19435477).

2053611563 is a wasteful number, since it uses less digits than its factorization.

2053611563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45417.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 2053611563 is about 45316.7911816360. The cubic root of 2053611563 is about 1271.0796537513.

The spelling of 2053611563 in words is "two billion, fifty-three million, six hundred eleven thousand, five hundred sixty-three".