2053539856 has 15 divisors (see below), whose sum is σ = 3979084701. Its totient is φ = 1026679296.

The previous prime is 2053539853. The next prime is 2053539857. The reversal of 2053539856 is 6589353502.

The square root of 2053539856 is 45316.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 722749456 + 1330790400 = 26884^2 + 36480^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2053539853) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 175600 + ... + 186928.

Almost surely, 2^2053539856 is an apocalyptic number.

2053539856 is the 45316-th square number.

It is an amenable number.

2053539856 is a deficient number, since it is larger than the sum of its proper divisors (1925544845).

2053539856 is an frugal number, since it uses more digits than its factorization.

2053539856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22666 (or 11331 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 46.

The cubic root of 2053539856 is about 1271.0648592674.

The spelling of 2053539856 in words is "two billion, fifty-three million, five hundred thirty-nine thousand, eight hundred fifty-six".