2053543688 has 32 divisors (see below), whose sum is σ = 4402460160. Its totient is φ = 879688320.

The previous prime is 2053543673. The next prime is 2053543691. The reversal of 2053543688 is 8863453502.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138020 + ... + 152172.

It is an arithmetic number, because the mean of its divisors is an integer number (137576880).

Almost surely, 2^2053543688 is an apocalyptic number.

2053543688 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2053543688 is an abundant number, since it is smaller than the sum of its proper divisors (2348916472).

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

2053543688 is a wasteful number, since it uses less digits than its factorization.

2053543688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16757 (or 16753 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The square root of 2053543688 is about 45316.0422808524. The cubic root of 2053543688 is about 1271.0656498888.

The spelling of 2053543688 in words is "two billion, fifty-three million, five hundred forty-three thousand, six hundred eighty-eight".