53085786 has 16 divisors (see below), whose sum is σ = 114338784. Its totient is φ = 16334064.

The previous prime is 53085763. The next prime is 53085797. The reversal of 53085786 is 68758035.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 340216 + ... + 340371.

It is an arithmetic number, because the mean of its divisors is an integer number (7146174).

Almost surely, 2^53085786 is an apocalyptic number.

53085786 is an abundant number, since it is smaller than the sum of its proper divisors (61252998).

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

53085786 is a wasteful number, since it uses less digits than its factorization.

53085786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680605.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 53085786 is about 7285.9993137524. Note that the first 3 decimals coincide. The cubic root of 53085786 is about 375.8311307856.

The spelling of 53085786 in words is "fifty-three million, eighty-five thousand, seven hundred eighty-six".