52000109 has 4 divisors (see below), whose sum is σ = 59428704. Its totient is φ = 44571516.

The previous prime is 52000087. The next prime is 52000139. The reversal of 52000109 is 90100025.

52000109 = T₃₈₅₁ + T₃₈₅₂ + ... + T₃₈₅₇.

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 52000109 - 2⁸ = 51999853 is a prime.

It is a super-2 number, since 2×52000109² = 5408022672023762, 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 (52000139) 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, 3714287 + ... + 3714300.

It is an arithmetic number, because the mean of its divisors is an integer number (14857176).

Almost surely, 2^52000109 is an apocalyptic number.

It is an amenable number.

52000109 is a deficient number, since it is larger than the sum of its proper divisors (7428595).

52000109 is an equidigital number, since it uses as much as digits as its factorization.

52000109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7428594.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 52000109 is about 7211.1101087142. The cubic root of 52000109 is about 373.2513764788.

The spelling of 52000109 in words is "fifty-two million, one hundred nine", and thus it is an aban number.