52753840 has 20 divisors (see below), whose sum is σ = 122652864. Its totient is φ = 21101504.

The previous prime is 52753829. The next prime is 52753843. The reversal of 52753840 is 4835725.

It is a happy number.

52753840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 52753796 and 52753805.

It is not an unprimeable number, because it can be changed into a prime (52753843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329632 + ... + 329791.

Almost surely, 2^52753840 is an apocalyptic number.

It is an amenable number.

52753840 is an abundant number, since it is smaller than the sum of its proper divisors (69899024).

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

52753840 is a wasteful number, since it uses less digits than its factorization.

52753840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659436 (or 659430 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 52753840 is about 7263.1838748582. The cubic root of 52753840 is about 375.0461335835.

The spelling of 52753840 in words is "fifty-two million, seven hundred fifty-three thousand, eight hundred forty".