52928686 has 4 divisors (see below), whose sum is σ = 79393032. Its totient is φ = 26464342.

The previous prime is 52928669. The next prime is 52928693. The reversal of 52928686 is 68682925.

52928686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13232170 + ... + 13232173.

It is an arithmetic number, because the mean of its divisors is an integer number (19848258).

Almost surely, 2^52928686 is an apocalyptic number.

52928686 is a deficient number, since it is larger than the sum of its proper divisors (26464346).

52928686 is a wasteful number, since it uses less digits than its factorization.

52928686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26464345.

The product of its digits is 414720, while the sum is 46.

The square root of 52928686 is about 7275.2103749651. The cubic root of 52928686 is about 375.4600244796.

The spelling of 52928686 in words is "fifty-two million, nine hundred twenty-eight thousand, six hundred eighty-six".