52786869 has 4 divisors (see below), whose sum is σ = 70382496. Its totient is φ = 35191244.

The previous prime is 52786859. The next prime is 52786889. The reversal of 52786869 is 96868725.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52786869 - 2²⁴ = 36009653 is a prime.

It is a super-3 number, since 3×52786869³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52786829) 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, 8797809 + ... + 8797814.

It is an arithmetic number, because the mean of its divisors is an integer number (17595624).

Almost surely, 2^52786869 is an apocalyptic number.

It is an amenable number.

52786869 is a deficient number, since it is larger than the sum of its proper divisors (17595627).

52786869 is a wasteful number, since it uses less digits than its factorization.

52786869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17595626.

The product of its digits is 1451520, while the sum is 51.

The square root of 52786869 is about 7265.4572464505. The cubic root of 52786869 is about 375.1243889574.

The spelling of 52786869 in words is "fifty-two million, seven hundred eighty-six thousand, eight hundred sixty-nine".