52040005 has 8 divisors (see below), whose sum is σ = 62846712. Its totient is φ = 41366208.

The previous prime is 52039987. The next prime is 52040017. The reversal of 52040005 is 50004025.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 113569 + 51926436 = 337^2 + 7206^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52040005 - 2⁵ = 52039973 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 7 ways as a sum of consecutive naturals, for example, 32362 + ... + 33931.

It is an arithmetic number, because the mean of its divisors is an integer number (7855839).

Almost surely, 2^52040005 is an apocalyptic number.

It is an amenable number.

52040005 is a deficient number, since it is larger than the sum of its proper divisors (10806707).

52040005 is a wasteful number, since it uses less digits than its factorization.

52040005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66455.

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 52040005 is about 7213.8758653029. The cubic root of 52040005 is about 373.3468085237.

The spelling of 52040005 in words is "fifty-two million, forty thousand, five".