53040005 has 4 divisors (see below), whose sum is σ = 63648012. Its totient is φ = 42432000.

The previous prime is 53039993. The next prime is 53040023. The reversal of 53040005 is 50004035.

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 27050401 + 25989604 = 5201^2 + 5098^2 .

It is not a de Polignac number, because 53040005 - 2⁴ = 53039989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5303996 + ... + 5304005.

It is an arithmetic number, because the mean of its divisors is an integer number (15912003).

Almost surely, 2^53040005 is an apocalyptic number.

It is an amenable number.

53040005 is a deficient number, since it is larger than the sum of its proper divisors (10608007).

53040005 is a wasteful number, since it uses less digits than its factorization.

53040005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10608006.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 53040005 is about 7282.8569256851. The cubic root of 53040005 is about 375.7230612202.

The spelling of 53040005 in words is "fifty-three million, forty thousand, five".