52678660 has 24 divisors (see below), whose sum is σ = 110761560. Its totient is φ = 21045504.

The previous prime is 52678649. The next prime is 52678667. The reversal of 52678660 is 6687625.

It can be written as a sum of positive squares in 4 ways, for example, as 5673924 + 47004736 = 2382^2 + 6856^2 .

It is a hoax number, since the sum of its digits (40) 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 (52678667) 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, 31362 + ... + 32998.

It is an arithmetic number, because the mean of its divisors is an integer number (4615065).

Almost surely, 2^52678660 is an apocalyptic number.

It is an amenable number.

52678660 is an abundant number, since it is smaller than the sum of its proper divisors (58082900).

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

52678660 is a wasteful number, since it uses less digits than its factorization.

52678660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255 (or 3253 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 52678660 is about 7258.0066133891. The cubic root of 52678660 is about 374.8678882776.

The spelling of 52678660 in words is "fifty-two million, six hundred seventy-eight thousand, six hundred sixty".