53871760 has 20 divisors (see below), whose sum is σ = 125252028. Its totient is φ = 21548672.

The previous prime is 53871757. The next prime is 53871761. The reversal of 53871760 is 6717835.

It can be written as a sum of positive squares in 2 ways, for example, as 8928144 + 44943616 = 2988^2 + 6704^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (53871761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336619 + ... + 336778.

Almost surely, 2^53871760 is an apocalyptic number.

It is an amenable number.

53871760 is an abundant number, since it is smaller than the sum of its proper divisors (71380268).

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

53871760 is a wasteful number, since it uses less digits than its factorization.

53871760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673410 (or 673404 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 53871760 is about 7339.7384149573. The cubic root of 53871760 is about 377.6768698835.

The spelling of 53871760 in words is "fifty-three million, eight hundred seventy-one thousand, seven hundred sixty".