52689535 has 4 divisors (see below), whose sum is σ = 63227448. Its totient is φ = 42151624.

The previous prime is 52689509. The next prime is 52689541. The reversal of 52689535 is 53598625.

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

It is a cyclic number.

It is not a de Polignac number, because 52689535 - 2⁵ = 52689503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52689491 and 52689500.

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, 5268949 + ... + 5268958.

It is an arithmetic number, because the mean of its divisors is an integer number (15806862).

Almost surely, 2^52689535 is an apocalyptic number.

52689535 is a deficient number, since it is larger than the sum of its proper divisors (10537913).

52689535 is a wasteful number, since it uses less digits than its factorization.

52689535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10537912.

The product of its digits is 324000, while the sum is 43.

The square root of 52689535 is about 7258.7557473716. The cubic root of 52689535 is about 374.8936824530.

The spelling of 52689535 in words is "fifty-two million, six hundred eighty-nine thousand, five hundred thirty-five".