52678571 has 4 divisors (see below), whose sum is σ = 57467544. Its totient is φ = 47889600.

The previous prime is 52678559. The next prime is 52678573. The reversal of 52678571 is 17587625.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 52678571 - 2¹⁴ = 52662187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52678573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2394470 + ... + 2394491.

It is an arithmetic number, because the mean of its divisors is an integer number (14366886).

Almost surely, 2^52678571 is an apocalyptic number.

52678571 is a deficient number, since it is larger than the sum of its proper divisors (4788973).

52678571 is a wasteful number, since it uses less digits than its factorization.

52678571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4788972.

The product of its digits is 117600, while the sum is 41.

The square root of 52678571 is about 7258.0004822265. Note that the first 3 decimals coincide. The cubic root of 52678571 is about 374.8676771658.

It can be divided in two parts, 526 and 78571, that added together give a palindrome (79097).

The spelling of 52678571 in words is "fifty-two million, six hundred seventy-eight thousand, five hundred seventy-one".