52570287 has 36 divisors (see below), whose sum is σ = 96371496. Its totient is φ = 27306720.

The previous prime is 52570279. The next prime is 52570289. The reversal of 52570287 is 78207525.

52570287 is a `hidden beast` number, since 5 + 2 + 570 + 2 + 87 = 666.

It is not a de Polignac number, because 52570287 - 2³ = 52570279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52570289) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 568 + ... + 10269.

It is an arithmetic number, because the mean of its divisors is an integer number (2676986).

Almost surely, 2^52570287 is an apocalyptic number.

52570287 is a deficient number, since it is larger than the sum of its proper divisors (43801209).

52570287 is a wasteful number, since it uses less digits than its factorization.

52570287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10868 (or 10858 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 52570287 is about 7250.5370145942. The cubic root of 52570287 is about 374.6106465503.

The spelling of 52570287 in words is "fifty-two million, five hundred seventy thousand, two hundred eighty-seven".