52385669 has 4 divisors (see below), whose sum is σ = 59869344. Its totient is φ = 44901996.

The previous prime is 52385657. The next prime is 52385681. The reversal of 52385669 is 96658325.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (52385657) and next prime (52385681).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52385669 is a prime.

It is a super-2 number, since 2×52385669² = 5488516633155122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52385609) 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, 3741827 + ... + 3741840.

It is an arithmetic number, because the mean of its divisors is an integer number (14967336).

Almost surely, 2^52385669 is an apocalyptic number.

It is an amenable number.

52385669 is a deficient number, since it is larger than the sum of its proper divisors (7483675).

52385669 is an equidigital number, since it uses as much as digits as its factorization.

52385669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7483674.

The product of its digits is 388800, while the sum is 44.

The square root of 52385669 is about 7237.7944845098. The cubic root of 52385669 is about 374.1716090262.

The spelling of 52385669 in words is "fifty-two million, three hundred eighty-five thousand, six hundred sixty-nine".