52544005 has 4 divisors (see below), whose sum is σ = 63052812. Its totient is φ = 42035200.

The previous prime is 52544003. The next prime is 52544017. The reversal of 52544005 is 50044525.

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 6548481 + 45995524 = 2559^2 + 6782^2 .

It is not a de Polignac number, because 52544005 - 2¹ = 52544003 is a prime.

It is a super-2 number, since 2×52544005² = 5521744922880050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52544003) 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, 5254396 + ... + 5254405.

It is an arithmetic number, because the mean of its divisors is an integer number (15763203).

Almost surely, 2^52544005 is an apocalyptic number.

It is an amenable number.

52544005 is a deficient number, since it is larger than the sum of its proper divisors (10508807).

52544005 is a wasteful number, since it uses less digits than its factorization.

52544005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10508806.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 52544005 is about 7248.7243705358. The cubic root of 52544005 is about 374.5482085030.

The spelling of 52544005 in words is "fifty-two million, five hundred forty-four thousand, five".