52689887 has 8 divisors (see below), whose sum is σ = 54544896. Its totient is φ = 50857632.

The previous prime is 52689809. The next prime is 52689937. The reversal of 52689887 is 78898625.

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

It is a cyclic number.

It is not a de Polignac number, because 52689887 - 2⁸ = 52689631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52685887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 908 + ... + 10305.

It is an arithmetic number, because the mean of its divisors is an integer number (6818112).

Almost surely, 2^52689887 is an apocalyptic number.

52689887 is a deficient number, since it is larger than the sum of its proper divisors (1855009).

52689887 is a wasteful number, since it uses less digits than its factorization.

52689887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11377.

The product of its digits is 1935360, while the sum is 53.

The square root of 52689887 is about 7258.7799939108. The cubic root of 52689887 is about 374.8945172948.

The spelling of 52689887 in words is "fifty-two million, six hundred eighty-nine thousand, eight hundred eighty-seven".