52005680 has 20 divisors (see below), whose sum is σ = 120913392. Its totient is φ = 20802240.

The previous prime is 52005661. The next prime is 52005689. The reversal of 52005680 is 8650025.

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

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (52005689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324956 + ... + 325115.

Almost surely, 2^52005680 is an apocalyptic number.

It is an amenable number.

52005680 is an abundant number, since it is smaller than the sum of its proper divisors (68907712).

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

52005680 is a wasteful number, since it uses less digits than its factorization.

52005680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650084 (or 650078 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 52005680 is about 7211.4963773131. The cubic root of 52005680 is about 373.2647053558.

The spelling of 52005680 in words is "fifty-two million, five thousand, six hundred eighty".