52673440 has 24 divisors (see below), whose sum is σ = 124441380. Its totient is φ = 21069312.

The previous prime is 52673393. The next prime is 52673447. The reversal of 52673440 is 4437625.

52673440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 49617936 + 3055504 = 7044^2 + 1748^2 .

It is not an unprimeable number, because it can be changed into a prime (52673447) 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, 164445 + ... + 164764.

Almost surely, 2^52673440 is an apocalyptic number.

It is an amenable number.

52673440 is an abundant number, since it is smaller than the sum of its proper divisors (71767940).

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

52673440 is a wasteful number, since it uses less digits than its factorization.

52673440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329224 (or 329216 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 52673440 is about 7257.6470016115. The cubic root of 52673440 is about 374.8555058124.

The spelling of 52673440 in words is "fifty-two million, six hundred seventy-three thousand, four hundred forty".