52659840 has 64 divisors (see below), whose sum is σ = 167859360. Its totient is φ = 14042112.

The previous prime is 52659839. The next prime is 52659851. The reversal of 52659840 is 4895625.

It is a tau number, because it is divible by the number of its divisors (64).

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, 11794 + ... + 15633.

Almost surely, 2^52659840 is an apocalyptic number.

It is an amenable number.

52659840 is an abundant number, since it is smaller than the sum of its proper divisors (115199520).

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

52659840 is a wasteful number, since it uses less digits than its factorization.

52659840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27449 (or 27437 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 52659840 is about 7256.7099983395. The cubic root of 52659840 is about 374.8232411410.

The spelling of 52659840 in words is "fifty-two million, six hundred fifty-nine thousand, eight hundred forty".