52420485 has 16 divisors (see below), whose sum is σ = 90324864. Its totient is φ = 25806912.

The previous prime is 52420471. The next prime is 52420493. The reversal of 52420485 is 58402425.

It is not a de Polignac number, because 52420485 - 2⁶ = 52420421 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134217 + ... + 134606.

It is an arithmetic number, because the mean of its divisors is an integer number (5645304).

Almost surely, 2^52420485 is an apocalyptic number.

It is an amenable number.

52420485 is a deficient number, since it is larger than the sum of its proper divisors (37904379).

52420485 is a wasteful number, since it uses less digits than its factorization.

52420485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268844.

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 52420485 is about 7240.1992375901. The cubic root of 52420485 is about 374.2544833062.

The spelling of 52420485 in words is "fifty-two million, four hundred twenty thousand, four hundred eighty-five".