53766005 has 4 divisors (see below), whose sum is σ = 64519212. Its totient is φ = 43012800.

The previous prime is 53766001. The next prime is 53766049. The reversal of 53766005 is 50066735.

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 41049649 + 12716356 = 6407^2 + 3566^2 .

It is not a de Polignac number, because 53766005 - 2² = 53766001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53766001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5376596 + ... + 5376605.

It is an arithmetic number, because the mean of its divisors is an integer number (16129803).

Almost surely, 2^53766005 is an apocalyptic number.

It is an amenable number.

53766005 is a deficient number, since it is larger than the sum of its proper divisors (10753207).

53766005 is a wasteful number, since it uses less digits than its factorization.

53766005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10753206.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 53766005 is about 7332.5306000043. The cubic root of 53766005 is about 377.4295703587.

The spelling of 53766005 in words is "fifty-three million, seven hundred sixty-six thousand, five".