53818705 has 4 divisors (see below), whose sum is σ = 64582452. Its totient is φ = 43054960.

The previous prime is 53818673. The next prime is 53818711. The reversal of 53818705 is 50781835.

53818705 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 can be written as a sum of positive squares in 2 ways, for example, as 23270976 + 30547729 = 4824^2 + 5527^2 .

It is not a de Polignac number, because 53818705 - 2⁵ = 53818673 is a prime.

It is a Duffinian 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 in 3 ways as a sum of consecutive naturals, for example, 5381866 + ... + 5381875.

It is an arithmetic number, because the mean of its divisors is an integer number (16145613).

Almost surely, 2^53818705 is an apocalyptic number.

It is an amenable number.

53818705 is a deficient number, since it is larger than the sum of its proper divisors (10763747).

53818705 is a wasteful number, since it uses less digits than its factorization.

53818705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10763746.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 53818705 is about 7336.1232950381. The cubic root of 53818705 is about 377.5528455469.

The spelling of 53818705 in words is "fifty-three million, eight hundred eighteen thousand, seven hundred five".