53684605 has 16 divisors (see below), whose sum is σ = 70000560. Its totient is φ = 39287808.

The previous prime is 53684573. The next prime is 53684629. The reversal of 53684605 is 50648635.

It can be written as a sum of positive squares in 8 ways, for example, as 18198756 + 35485849 = 4266^2 + 5957^2 .

It is a cyclic number.

It is not a de Polignac number, because 53684605 - 2⁵ = 53684573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3691 + ... + 10999.

It is an arithmetic number, because the mean of its divisors is an integer number (4375035).

Almost surely, 2^53684605 is an apocalyptic number.

It is an amenable number.

53684605 is a deficient number, since it is larger than the sum of its proper divisors (16315955).

53684605 is a wasteful number, since it uses less digits than its factorization.

53684605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7440.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 53684605 is about 7326.9778899625. The cubic root of 53684605 is about 377.2390020835.

It can be divided in two parts, 53684 and 605, that added together give a square (54289 = 233²).

The spelling of 53684605 in words is "fifty-three million, six hundred eighty-four thousand, six hundred five".