52729686 has 12 divisors (see below), whose sum is σ = 114247692. Its totient is φ = 17576556.

The previous prime is 52729679. The next prime is 52729687. The reversal of 52729686 is 68692725.

52729686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52729687) 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 5 ways as a sum of consecutive naturals, for example, 1464696 + ... + 1464731.

It is an arithmetic number, because the mean of its divisors is an integer number (9520641).

Almost surely, 2^52729686 is an apocalyptic number.

52729686 is an abundant number, since it is smaller than the sum of its proper divisors (61518006).

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

52729686 is a wasteful number, since it uses less digits than its factorization.

52729686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929435 (or 2929432 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 52729686 is about 7261.5209150701. The cubic root of 52729686 is about 374.9888850039.

The spelling of 52729686 in words is "fifty-two million, seven hundred twenty-nine thousand, six hundred eighty-six".