52578285 has 8 divisors (see below), whose sum is σ = 84125280. Its totient is φ = 28041744.

The previous prime is 52578257. The next prime is 52578311. The reversal of 52578285 is 58287525.

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

It is not a de Polignac number, because 52578285 - 2⁹ = 52577773 is a prime.

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, 1752595 + ... + 1752624.

It is an arithmetic number, because the mean of its divisors is an integer number (10515660).

Almost surely, 2^52578285 is an apocalyptic number.

It is an amenable number.

52578285 is a deficient number, since it is larger than the sum of its proper divisors (31546995).

52578285 is a wasteful number, since it uses less digits than its factorization.

52578285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505227.

The product of its digits is 224000, while the sum is 42.

The square root of 52578285 is about 7251.0885389712. The cubic root of 52578285 is about 374.6296432383.

The spelling of 52578285 in words is "fifty-two million, five hundred seventy-eight thousand, two hundred eighty-five".