52785814 has 4 divisors (see below), whose sum is σ = 79178724. Its totient is φ = 26392906.

The previous prime is 52785797. The next prime is 52785823. The reversal of 52785814 is 41858725.

52785814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13196452 + ... + 13196455.

It is an arithmetic number, because the mean of its divisors is an integer number (19794681).

Almost surely, 2^52785814 is an apocalyptic number.

52785814 is a deficient number, since it is larger than the sum of its proper divisors (26392910).

52785814 is a wasteful number, since it uses less digits than its factorization.

52785814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26392909.

The product of its digits is 89600, while the sum is 40.

The square root of 52785814 is about 7265.3846422609. The cubic root of 52785814 is about 375.1218898582.

The spelling of 52785814 in words is "fifty-two million, seven hundred eighty-five thousand, eight hundred fourteen".