52686208 has 16 divisors (see below), whose sum is σ = 104961060. Its totient is φ = 26343040.

The previous prime is 52686191. The next prime is 52686209. The reversal of 52686208 is 80268625.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52686209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205678 + ... + 205933.

Almost surely, 2^52686208 is an apocalyptic number.

It is an amenable number.

52686208 is a deficient number, since it is larger than the sum of its proper divisors (52274852).

52686208 is an equidigital number, since it uses as much as digits as its factorization.

52686208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411625 (or 411613 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 52686208 is about 7258.5265722459. The cubic root of 52686208 is about 374.8857915911.

It can be divided in two parts, 5268 and 6208, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 52686208 in words is "fifty-two million, six hundred eighty-six thousand, two hundred eight".