53086806 has 32 divisors (see below), whose sum is σ = 123102720. Its totient is φ = 16925832.

The previous prime is 53086799. The next prime is 53086807. The reversal of 53086806 is 60868035.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53086807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20130 + ... + 22613.

It is an arithmetic number, because the mean of its divisors is an integer number (3846960).

Almost surely, 2^53086806 is an apocalyptic number.

53086806 is an abundant number, since it is smaller than the sum of its proper divisors (70015914).

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

53086806 is a wasteful number, since it uses less digits than its factorization.

53086806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42777 (or 42771 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 53086806 is about 7286.0693106777. The cubic root of 53086806 is about 375.8335378662.

The spelling of 53086806 in words is "fifty-three million, eighty-six thousand, eight hundred six".