52447669 has 8 divisors (see below), whose sum is σ = 55781568. Its totient is φ = 49141440.

The previous prime is 52447607. The next prime is 52447673. The reversal of 52447669 is 96674425.

It is a happy number.

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 52447669 - 2¹¹ = 52445621 is a prime.

It is a super-2 number, since 2×52447669² = 5501515967067122, 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 (52447679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2937 + ... + 10654.

It is an arithmetic number, because the mean of its divisors is an integer number (6972696).

Almost surely, 2^52447669 is an apocalyptic number.

It is an amenable number.

52447669 is a deficient number, since it is larger than the sum of its proper divisors (3333899).

52447669 is a wasteful number, since it uses less digits than its factorization.

52447669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13835.

The product of its digits is 362880, while the sum is 43.

The square root of 52447669 is about 7242.0762906780. The cubic root of 52447669 is about 374.3191652448.

The spelling of 52447669 in words is "fifty-two million, four hundred forty-seven thousand, six hundred sixty-nine".