52789285 has 4 divisors (see below), whose sum is σ = 63347148. Its totient is φ = 42231424.

The previous prime is 52789279. The next prime is 52789291. The reversal of 52789285 is 58298725.

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

It is an interprime number because it is at equal distance from previous prime (52789279) and next prime (52789291).

It can be written as a sum of positive squares in 2 ways, for example, as 28494244 + 24295041 = 5338^2 + 4929^2 .

It is a cyclic number.

It is not a de Polignac number, because 52789285 - 2⁹ = 52788773 is a prime.

It is a super-2 number, since 2×52789285² = 5573417221622450, which contains 22 as substring.

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, 5278924 + ... + 5278933.

It is an arithmetic number, because the mean of its divisors is an integer number (15836787).

Almost surely, 2^52789285 is an apocalyptic number.

It is an amenable number.

52789285 is a deficient number, since it is larger than the sum of its proper divisors (10557863).

52789285 is a wasteful number, since it uses less digits than its factorization.

52789285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10557862.

The product of its digits is 403200, while the sum is 46.

The square root of 52789285 is about 7265.6235107525. The cubic root of 52789285 is about 375.1301118875.

The spelling of 52789285 in words is "fifty-two million, seven hundred eighty-nine thousand, two hundred eighty-five".