52686893 has 8 divisors (see below), whose sum is σ = 63755712. Its totient is φ = 42503616.

The previous prime is 52686883. The next prime is 52686901. The reversal of 52686893 is 39868625.

It is a happy number.

52686893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 52686893 - 2⁸ = 52686637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52686863) 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 7 ways as a sum of consecutive naturals, for example, 221255 + ... + 221492.

It is an arithmetic number, because the mean of its divisors is an integer number (7969464).

Almost surely, 2^52686893 is an apocalyptic number.

It is an amenable number.

52686893 is a deficient number, since it is larger than the sum of its proper divisors (11068819).

52686893 is a wasteful number, since it uses less digits than its factorization.

52686893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442771.

The product of its digits is 622080, while the sum is 47.

The square root of 52686893 is about 7258.5737579775. The cubic root of 52686893 is about 374.8874162772.

The spelling of 52686893 in words is "fifty-two million, six hundred eighty-six thousand, eight hundred ninety-three".