52169869 has 8 divisors (see below), whose sum is σ = 55710720. Its totient is φ = 48745200.

The previous prime is 52169867. The next prime is 52169891. The reversal of 52169869 is 96896125.

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 52169869 - 2¹ = 52169867 is a prime.

It is a super-2 number, since 2×52169869² = 5443390462954322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52169863) 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, 28117 + ... + 29914.

It is an arithmetic number, because the mean of its divisors is an integer number (6963840).

Almost surely, 2^52169869 is an apocalyptic number.

It is an amenable number.

52169869 is a deficient number, since it is larger than the sum of its proper divisors (3540851).

52169869 is a wasteful number, since it uses less digits than its factorization.

52169869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58091.

The product of its digits is 233280, while the sum is 46.

The square root of 52169869 is about 7222.8712434876. The cubic root of 52169869 is about 373.6571084904.

The spelling of 52169869 in words is "fifty-two million, one hundred sixty-nine thousand, eight hundred sixty-nine".