52045385 has 16 divisors (see below), whose sum is σ = 72074496. Its totient is φ = 35339328.

The previous prime is 52045379. The next prime is 52045387. The reversal of 52045385 is 58354025.

It is a cyclic number.

It is not a de Polignac number, because 52045385 - 2⁴ = 52045369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52045387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3614 + ... + 10823.

It is an arithmetic number, because the mean of its divisors is an integer number (4504656).

Almost surely, 2^52045385 is an apocalyptic number.

It is an amenable number.

52045385 is a deficient number, since it is larger than the sum of its proper divisors (20029111).

52045385 is a wasteful number, since it uses less digits than its factorization.

52045385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14552.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 52045385 is about 7214.2487481373. The cubic root of 52045385 is about 373.3596738607.

The spelling of 52045385 in words is "fifty-two million, forty-five thousand, three hundred eighty-five".