2053540520 has 64 divisors (see below), whose sum is σ = 4870756800. Its totient is φ = 777047040.

The previous prime is 2053540513. The next prime is 2053540543. The reversal of 2053540520 is 250453502.

It is a self number, because there is not a number n which added to its sum of digits gives 2053540520.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668027 + ... + 671093.

It is an arithmetic number, because the mean of its divisors is an integer number (76105575).

Almost surely, 2^2053540520 is an apocalyptic number.

2053540520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2053540520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2435378400).

2053540520 is an abundant number, since it is smaller than the sum of its proper divisors (2817216280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2053540520 is a wasteful number, since it uses less digits than its factorization.

2053540520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3978 (or 3974 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 2053540520 is about 45316.0073263301. The cubic root of 2053540520 is about 1271.0649962645.

The spelling of 2053540520 in words is "two billion, fifty-three million, five hundred forty thousand, five hundred twenty".