52680891 has 8 divisors (see below), whose sum is σ = 71874880. Its totient is φ = 34303752.

The previous prime is 52680889. The next prime is 52680911. The reversal of 52680891 is 19808625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52680891 - 2¹ = 52680889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52680821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204061 + ... + 204318.

It is an arithmetic number, because the mean of its divisors is an integer number (8984360).

Almost surely, 2^52680891 is an apocalyptic number.

52680891 is a deficient number, since it is larger than the sum of its proper divisors (19193989).

52680891 is a wasteful number, since it uses less digits than its factorization.

52680891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408425.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 52680891 is about 7258.1603040991. The cubic root of 52680891 is about 374.8731802273.

The spelling of 52680891 in words is "fifty-two million, six hundred eighty thousand, eight hundred ninety-one".