52686013 has 8 divisors (see below), whose sum is σ = 54097920. Its totient is φ = 51286320.

The previous prime is 52685989. The next prime is 52686017. The reversal of 52686013 is 31068625.

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 52686013 - 2⁵ = 52685981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52686017) 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, 6043 + ... + 11911.

It is an arithmetic number, because the mean of its divisors is an integer number (6762240).

Almost surely, 2^52686013 is an apocalyptic number.

It is an amenable number.

52686013 is a deficient number, since it is larger than the sum of its proper divisors (1411907).

52686013 is a wasteful number, since it uses less digits than its factorization.

52686013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6107.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 52686013 is about 7258.5131397553. The cubic root of 52686013 is about 374.8853290866.

The spelling of 52686013 in words is "fifty-two million, six hundred eighty-six thousand, thirteen".