52049689 has 4 divisors (see below), whose sum is σ = 52064640. Its totient is φ = 52034740.

The previous prime is 52049681. The next prime is 52049707. The reversal of 52049689 is 98694025.

52049689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 52049689 - 2³ = 52049681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52049681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804 + ... + 10234.

It is an arithmetic number, because the mean of its divisors is an integer number (13016160).

Almost surely, 2^52049689 is an apocalyptic number.

It is an amenable number.

52049689 is a deficient number, since it is larger than the sum of its proper divisors (14951).

52049689 is an equidigital number, since it uses as much as digits as its factorization.

52049689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14950.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 52049689 is about 7214.5470405286. The cubic root of 52049689 is about 373.3699654921.

The spelling of 52049689 in words is "fifty-two million, forty-nine thousand, six hundred eighty-nine".