52405069 has 8 divisors (see below), whose sum is σ = 53498880. Its totient is φ = 51322656.

The previous prime is 52405049. The next prime is 52405079. The reversal of 52405069 is 96050425.

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 52405069 - 2⁵ = 52405037 is a prime.

It is a super-2 number, since 2×52405069² = 5492582513789522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52405069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52405009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6772 + ... + 12274.

It is an arithmetic number, because the mean of its divisors is an integer number (6687360).

Almost surely, 2^52405069 is an apocalyptic number.

It is an amenable number.

52405069 is a deficient number, since it is larger than the sum of its proper divisors (1093811).

52405069 is a wasteful number, since it uses less digits than its factorization.

52405069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5699.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 52405069 is about 7239.1345477205. The cubic root of 52405069 is about 374.2177923524.

The spelling of 52405069 in words is "fifty-two million, four hundred five thousand, sixty-nine".