52849609 has 4 divisors (see below), whose sum is σ = 53362816. Its totient is φ = 52336404.

The previous prime is 52849603. The next prime is 52849627. The reversal of 52849609 is 90694825.

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 52849609 - 2¹⁹ = 52325321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52849603) 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, 256449 + ... + 256654.

It is an arithmetic number, because the mean of its divisors is an integer number (13340704).

Almost surely, 2^52849609 is an apocalyptic number.

It is an amenable number.

52849609 is a deficient number, since it is larger than the sum of its proper divisors (513207).

52849609 is a wasteful number, since it uses less digits than its factorization.

52849609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513206.

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

The square root of 52849609 is about 7269.7736553486. The cubic root of 52849609 is about 375.2729485420.

The spelling of 52849609 in words is "fifty-two million, eight hundred forty-nine thousand, six hundred nine".