2053615543 has 16 divisors (see below), whose sum is σ = 2407147776. Its totient is φ = 1715313600.

The previous prime is 2053615523. The next prime is 2053615547. The reversal of 2053615543 is 3455163502.

It is not a de Polignac number, because 2053615543 - 2⁵ = 2053615511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2053615499 and 2053615508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053615547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125643 + ... + 141043.

It is an arithmetic number, because the mean of its divisors is an integer number (150446736).

Almost surely, 2^2053615543 is an apocalyptic number.

2053615543 is a deficient number, since it is larger than the sum of its proper divisors (353532233).

2053615543 is a wasteful number, since it uses less digits than its factorization.

2053615543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15894.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 2053615543 is about 45316.8350946974. The cubic root of 2053615543 is about 1271.0804748890.

The spelling of 2053615543 in words is "two billion, fifty-three million, six hundred fifteen thousand, five hundred forty-three".