52508285 has 4 divisors (see below), whose sum is σ = 63009948. Its totient is φ = 42006624.

The previous prime is 52508279. The next prime is 52508293. The reversal of 52508285 is 58280525.

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 14303524 + 38204761 = 3782^2 + 6181^2 .

It is a cyclic number.

It is not a de Polignac number, because 52508285 - 2⁶ = 52508221 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, 5250824 + ... + 5250833.

It is an arithmetic number, because the mean of its divisors is an integer number (15752487).

Almost surely, 2^52508285 is an apocalyptic number.

It is an amenable number.

52508285 is a deficient number, since it is larger than the sum of its proper divisors (10501663).

52508285 is a wasteful number, since it uses less digits than its factorization.

52508285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10501662.

The product of its (nonzero) digits is 32000, while the sum is 35.

The square root of 52508285 is about 7246.2600698567. The cubic root of 52508285 is about 374.4633152480.

The spelling of 52508285 in words is "fifty-two million, five hundred eight thousand, two hundred eighty-five".