52686256 has 20 divisors (see below), whose sum is σ = 116662672. Its totient is φ = 22579776.

The previous prime is 52686253. The next prime is 52686269. The reversal of 52686256 is 65268625.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52686253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235095 + ... + 235318.

Almost surely, 2^52686256 is an apocalyptic number.

52686256 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

52686256 is an abundant number, since it is smaller than the sum of its proper divisors (63976416).

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

52686256 is a wasteful number, since it uses less digits than its factorization.

52686256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470428 (or 470422 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 52686256 is about 7258.5298787013. The cubic root of 52686256 is about 374.8859054382.

The spelling of 52686256 in words is "fifty-two million, six hundred eighty-six thousand, two hundred fifty-six".